| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 | Dec'12 | Dec'11 | Dec'10 | Dec'09 |
|---|---|---|---|---|---|---|---|---|---|---|
Cash flows from operating activities: | ||||||||||
Net income | ||||||||||
108,839 | 105,268 | 65,203 | 52,720 | 35,172 | 35,495 | 22,898 | 15,756 | 13,301 | 29,563 | 19,674 |
Adjustments to reconcile net income to net cash provided by operating activities: | ||||||||||
Depreciation and amortization | ||||||||||
14,867 | 12,311 | 16,101 | 14,674 | 13,783 | 13,130 | 12,160 | 9,332 | 8,732 | 8,016 | 6,573 |
(Gain) loss on disposal and sale of property and equipment, net | ||||||||||
259 | -22 | 3 | -57 | 339 | 0 | -31 | -81 | -33 | 1 | 17 |
Amortization of premium on available-for-sale securities | ||||||||||
-729 | -1,353 | -1,976 | 1,019 | 463 | 237 | - | - | - | - | - |
(Gain) loss on deferred compensation plan investments | ||||||||||
3,806 | -255 | 2,531 | 1,257 | -133 | 141 | - | - | - | - | - |
Premium amortization and loss on investments | ||||||||||
- | - | - | - | - | - | 443 | 214 | 376 | - | - |
Change in fair value of contingent consideration | ||||||||||
- | - | - | - | -2,507 | 0 | - | - | - | - | - |
Deferred taxes, net | ||||||||||
-577 | -843 | -15,238 | -5 | 42 | 17 | -81 | -8 | 403 | -56 | -84 |
Amortization and loss on investments | ||||||||||
- | - | - | - | - | - | - | - | - | 688 | 380 |
Tax benefit from stock option transactions | ||||||||||
- | - | - | - | - | - | - | - | - | 3,349 | 2,288 |
Credit loss on auction-rate securities | ||||||||||
- | - | - | - | - | - | - | - | - | - | 70 |
Excess tax benefits from equity awards | ||||||||||
- | - | - | 1,465 | 5,928 | 10 | - | 869 | 27 | -1,256 | 643 |
Stock-based compensation expense | ||||||||||
78,699 | 60,607 | 52,617 | 44,989 | 41,563 | 33,454 | 20,701 | 18,652 | 13,126 | 16,810 | 14,611 |
Changes in operating assets and liabilities: | ||||||||||
Accounts receivable | ||||||||||
-2,512 | 18,079 | 3,785 | 3,421 | 5,201 | 1,870 | 4,347 | 4,286 | -3,250 | -2,826 | -6,406 |
Inventories | ||||||||||
-8,865 | 37,060 | 27,795 | 8,323 | 22,210 | 1,142 | 7,606 | 12,004 | 5,699 | -6,184 | -737 |
Other assets | ||||||||||
10,204 | 1,075 | -1,603 | 11,021 | 390 | 2,029 | - | - | - | - | - |
Prepaid expenses and other assets | ||||||||||
- | - | - | - | - | - | -121 | 456 | -673 | 378 | -101 |
Accounts payable | ||||||||||
3,048 | 871 | 3,077 | 5,483 | 147 | 1,632 | 1,440 | 754 | -957 | 1,155 | 2,699 |
Accrued compensation and related benefits | ||||||||||
7,496 | 3,806 | 2,397 | 3,136 | 1,068 | -1,290 | 2,691 | -1,633 | 489 | 295 | 548 |
Accrued liabilities | ||||||||||
7,449 | 7,092 | 10,852 | 8,035 | 9,942 | -3,102 | 12,149 | -2,097 | -438 | 556 | -5,633 |
Income tax liabilities | ||||||||||
-1,355 | 6,923 | 29,347 | 3,165 | 3,998 | -248 | 86 | 1,476 | -169 | -1,995 | -1,492 |
Net cash provided by operating activities | ||||||||||
216,303 | 141,451 | 133,821 | 107,786 | 69,736 | 74,133 | 60,686 | 24,912 | 43,685 | 48,494 | 31,764 |
Cash flows from investing activities: | ||||||||||
Purchases of property and equipment | ||||||||||
95,806 | 22,526 | 65,770 | 37,112 | 16,024 | 9,511 | 15,764 | 21,059 | 21,022 | 22,779 | 9,954 |
Acquisition of in-place leases | ||||||||||
981 | 0 | 0 | - | - | - | - | - | - | - | - |
Purchases of short-term investments | ||||||||||
212,562 | 99,199 | 140,531 | 236,912 | 223,018 | 136,872 | 125,756 | 143,094 | 78,250 | 208,621 | 159,917 |
Proceeds from maturities and sales of short-term investments | ||||||||||
135,801 | 109,131 | 77,502 | 223,344 | 189,549 | 149,291 | 85,700 | 135,183 | 129,719 | 197,243 | 80,586 |
Proceeds from sales of long-term investments | ||||||||||
250 | 2,000 | 0 | - | - | 4,650 | 2,025 | 2,100 | -5,775 | -425 | -100 |
Proceeds from sales of property and equipment | ||||||||||
9,268 | 0 | 0 | - | 340 | 0 | 88 | 13 | - | - | - |
Contributions to deferred compensation plan, net | ||||||||||
3,082 | 4,146 | 5,261 | 5,046 | 8,044 | 5,335 | 617 | - | - | - | - |
Change in restricted assets | ||||||||||
- | - | - | - | - | - | - | -20 | - | 19 | -7,367 |
Cash paid for an acquisition, net of cash acquired | ||||||||||
- | - | - | - | - | 11,590 | - | - | - | - | - |
Purchases of intangible assets | ||||||||||
- | - | - | - | - | - | - | - | - | - | 310 |
Net cash used in investing activities | ||||||||||
-167,112 | -14,740 | -134,060 | -55,726 | -57,197 | -9,367 | -54,324 | -26,837 | 36,222 | -33,751 | -82,128 |
Cash flows from financing activities: | ||||||||||
Property and equipment purchased on extended payment terms | ||||||||||
683 | 749 | 250 | 300 | 300 | 400 | 557 | - | - | - | - |
Proceeds from exercise of stock options | ||||||||||
- | - | - | 1,344 | 7,744 | 11,941 | 37,877 | 13,390 | 4,697 | 14,339 | 11,181 |
Proceeds from common stock issued under the employee equity incentive plan | ||||||||||
16,650 | 10,637 | 150 | - | - | - | - | - | - | - | - |
Proceeds from common stock issued under the employee stock purchase plan | ||||||||||
3,277 | 3,028 | 2,701 | 2,463 | 2,227 | 2,078 | 2,145 | 1,852 | 1,773 | 1,885 | 1,794 |
Repurchase of common shares | ||||||||||
- | - | - | - | 32,286 | 41,198 | 20,615 | - | 38,472 | 31,527 | - |
Dividends and dividend equivalents paid | ||||||||||
67,294 | 47,475 | 33,926 | 33,099 | 29,965 | 11,658 | - | 35,664 | - | - | - |
Excess tax benefits from equity awards | ||||||||||
- | - | - | 1,465 | 5,928 | 10 | - | 869 | 27 | 1,256 | 643 |
Net cash used in financing activities | ||||||||||
-48,050 | -34,559 | -31,325 | -28,127 | -46,652 | -39,227 | 18,850 | -19,553 | -31,975 | -14,047 | 13,618 |
Effect of change in exchange rates | ||||||||||
-883 | -2,208 | 1,625 | -2,093 | -1,293 | -486 | 897 | 211 | 429 | 597 | 197 |
Net increase (decrease) in cash, cash equivalents and restricted cash | ||||||||||
258 | 89,944 | -29,939 | 21,840 | -35,406 | 25,053 | 26,109 | -21,267 | 48,361 | 1,293 | -36,549 |
Cash paid for taxes and interest | ||||||||||
10,700 | 7,134 | 3,619 | 1,234 | 3,322 | 1,235 | 1,116 | 807 | 675 | 35 | 321 |
Non-cash investing and financing activities: | ||||||||||
Liability accrued for property and equipment purchases | ||||||||||
7,803 | 1,737 | 3,061 | 787 | 2,184 | 1,487 | 1,941 | 1,728 | 1,483 | 4,264 | 663 |
Temporary impairment reversal of auction-rate securities | ||||||||||
- | - | - | - | - | - | - | - | - | - | 70 |
Temporary impairment of auction-rate securities | ||||||||||
- | - | - | - | - | - | - | - | - | -160 | 525 |
Value of auction-rate security put right | ||||||||||
- | - | - | - | - | - | - | - | - | - | -525 |