| 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 | ||||||||||
81,845 | 69,539 | 65,077 | 51,417 | 50,519 | 67,974 | 60,081 | 78,094 | 60,478 | 31,568 | 35,552 |
Adjustments to reconcile net income to net cash provided by operating activities: | ||||||||||
Depreciation and amortization | ||||||||||
61,866 | 61,966 | 61,291 | 57,172 | 47,630 | 39,809 | 30,811 | 20,401 | 13,543 | 14,626 | 19,054 |
Stock-based compensation | ||||||||||
16,657 | 11,412 | 15,763 | 11,961 | 10,290 | 6,798 | 4,232 | 10,306 | 4,971 | 3,962 | 3,236 |
Net gain on disposals and impairments of assets | ||||||||||
430 | 51 | -249 | -27 | -190 | -492 | -24 | -115 | -98 | -251 | 683 |
Excess tax benefits from stock-based compensation | ||||||||||
- | - | - | 517 | 2,182 | 1,163 | 3,831 | 6,446 | 2,190 | 1,358 | 0 |
Deferred income taxes | ||||||||||
-1,014 | 7,447 | 2,042 | -1,640 | 11,924 | -311 | 2,037 | 3,499 | 2,839 | 2,352 | -18,209 |
Changes in operating assets and liabilities: | ||||||||||
Gain on sale of non-marketable equity securities | ||||||||||
- | - | - | - | 6,891 | 0 | 0 | - | - | - | - |
Changes in operating assets and liabilities: | ||||||||||
Accounts receivable | ||||||||||
-4,817 | 5,483 | -393 | -9,297 | 9,259 | 4,717 | -1,993 | 2,705 | 3,935 | -718 | 3,618 |
Inventories | ||||||||||
2,183 | 584 | 9,272 | -11,574 | 33,065 | 13,383 | 3,910 | 10,713 | 5,204 | 4,001 | -3,029 |
Income taxes | ||||||||||
3,066 | -6,561 | 1,697 | 25,119 | -13,943 | -4,314 | 4,395 | 4,299 | 4,445 | 6,647 | 22,007 |
Prepaid expenses and other assets | ||||||||||
13,959 | -5,551 | 12,405 | 2,195 | -8,680 | 9,973 | 3,169 | 2,382 | 1,976 | -1,579 | 1,776 |
Accounts payable | ||||||||||
10,661 | -9,894 | 21,779 | -4,965 | 19,130 | 14,340 | -3,477 | 7,114 | 6,913 | 3,995 | 2,545 |
Customer prepayments | ||||||||||
7,182 | -701 | 1,560 | -25,266 | 22,735 | 13,334 | 198 | 1,665 | 585 | 1,707 | -243 |
Accrued compensation and benefits | ||||||||||
12,920 | -6,872 | 15,398 | 2,808 | -17,493 | 17,735 | -5,202 | -8,108 | 5,167 | 11,471 | 943 |
Other taxes and withholding | ||||||||||
725 | 707 | -893 | 2,723 | 135 | 2,584 | -153 | 765 | 1,944 | 53 | 1,604 |
Warranty liabilities | ||||||||||
- | - | - | - | - | - | -1,236 | -1,454 | 566 | -1,398 | -906 |
Other accruals and liabilities | ||||||||||
7,007 | 5,064 | 9,928 | 14,130 | 19,542 | 15,263 | 5,312 | 6,176 | 2,802 | -765 | -725 |
Net cash provided by operating activities | ||||||||||
189,160 | 131,540 | 172,607 | 151,645 | 107,942 | 144,468 | 88,105 | 100,626 | 91,046 | 71,407 | 63,176 |
Cash flows from investing activities: | ||||||||||
Purchases of property and equipment | ||||||||||
59,239 | 45,515 | 59,829 | 57,852 | 85,586 | 76,594 | 76,811 | 51,593 | 23,527 | 7,349 | 2,459 |
Decrease in restricted cash | ||||||||||
- | - | - | - | 0 | 500 | 0 | 0 | 2,650 | 0 | 0 |
Investment in non-marketable equity securities | ||||||||||
- | - | - | - | - | - | - | 0 | 0 | - | - |
Proceeds from sales of property and equipment | ||||||||||
2,615 | 272 | 36 | 92 | 72 | 5 | 117 | 45 | 11 | 10 | 15 |
Proceeds from marketable debt securities | ||||||||||
- | - | - | 21,053 | 127,664 | 54,506 | 53,565 | 26,249 | 10,000 | 0 | 0 |
Investments in marketable debt securities | ||||||||||
- | - | - | 5,968 | 29,299 | 90,349 | 44,170 | 86,803 | 40,021 | 0 | 0 |
Acquisition of business | ||||||||||
- | - | - | - | 70,018 | 0 | 15,500 | 0 | 0 | - | - |
Proceeds from non-marketable equity securities | ||||||||||
- | - | - | - | -12,891 | 1,500 | 4,500 | - | - | - | - |
Net cash used in investing activities | ||||||||||
-56,624 | -45,243 | -59,793 | -42,675 | -44,276 | -114,432 | -87,299 | -112,102 | -56,187 | -7,339 | -2,444 |
Cash flows from financing activities: | ||||||||||
Repurchases of common stock | ||||||||||
165,079 | 272,446 | 155,245 | 126,693 | 100,201 | 46,492 | 42,072 | 34,892 | 371 | 1,391 | 0 |
Net increase in short-term borrowings | ||||||||||
26,357 | 182,336 | 28,094 | 5,932 | 1,097 | 6,192 | -223 | 6,494 | -795 | -1,074 | -84,756 |
Proceeds from issuance of common stock | ||||||||||
7,190 | 2,788 | 3,241 | 2,298 | 2,976 | 2,873 | 7,966 | 5,138 | 4,356 | 1,014 | 26,534 |
Debt issuance costs | ||||||||||
1,023 | 1,014 | 12 | 409 | 721 | 0 | 0 | 50 | 0 | 143 | 1,313 |
Excess tax benefits from stock-based compensation | ||||||||||
- | - | - | 517 | 2,182 | 1,163 | 3,831 | 6,446 | 2,190 | 1,358 | 0 |
Net cash provided by (used in) financing activities | ||||||||||
-132,555 | -88,336 | -123,922 | -118,355 | -94,667 | -36,264 | -30,498 | -16,864 | 5,380 | -236 | -59,535 |
Net increase in cash and cash equivalents | ||||||||||
-19 | -2,039 | -11,108 | -9,385 | -31,001 | -6,228 | -29,692 | -28,340 | 40,239 | 63,832 | 1,197 |
Non-cash financing transactions: | ||||||||||
Change in unsettled repurchases of common stock | ||||||||||
-9,506 | 9,999 | 0 | 0 | - | - | - | - | - | - | - |
Supplemental Disclosure of Cash Flow Information | ||||||||||
Income taxes paid, net of refunds | ||||||||||
17,182 | 15,031 | 22,807 | -653 | 26,681 | 38,474 | 24,253 | 34,181 | 23,778 | 9,732 | -25,978 |
Interest paid | ||||||||||
10,656 | 5,086 | 753 | 608 | 96 | 49 | 34 | 81 | 113 | 44 | 4,747 |
Finance lease obligations incurred | ||||||||||
0 | 943 | 0 | 0 | - | - | - | - | 83 | 466 | 674 |
Purchases of property and equipment included in accounts payable | ||||||||||
5,725 | 12,123 | 3,964 | 5,517 | 5,051 | 5,802 | 3,465 | 3,817 | 1,486 | 965 | 388 |