| Comprehensive Income Disclosure [Text Block] |
22. Comprehensive (Loss) Income and Accumulated Other Comprehensive (Loss) Income
Comprehensive (loss) income, which includes foreign currency translation adjustments, unrealized gains and losses on available-for-sale securities, and unrealized gains and losses on derivative instruments designated and qualifying as cash flow hedges, the impact of which has been excluded from net (loss) income and reflected as components of stockholders’ equity, was as follows for the years ended December 31, 2016, 2015, and 2014 (in thousands): | | | | | | | | | | | | | | | | 2016 | | 2015 | | 2014 | Net (loss) income | | $ | (357,964 | ) | | $ | 546,421 |
| | $ | 395,964 |
| Other comprehensive (loss) income, net of tax: | | | | | | | Foreign currency translation adjustments | | (7,409 | ) | | (16,432 | ) | | (19,147 | ) | Unrealized gain (loss) on marketable securities and restricted investments for the period, net of tax of $(504), $1,248 and $(6,644) | | 16,898 |
| | (15,413 | ) | | 90,868 |
| Less: reclassification for gains included in net income, net of tax of $3,022, $0 and $83 | | (38,611 | ) | | (2 | ) | | (127 | ) | Unrealized (loss) gain on marketable securities and restricted investments | | (21,713 | ) | | (15,415 | ) | | 90,741 |
| Unrealized gain (loss) on derivative instruments for the period, net of tax of $(691), $(207) and $(711) | | 6,927 |
| | (8,572 | ) | | (1,777 | ) | Less: reclassification for (gains) losses included in net income, net of tax of $0, $2,278 and $(150) | | (3,192 | ) | | 5,759 |
| | 6,099 |
| Unrealized gain (loss) on derivative instruments | | 3,735 |
| | (2,813 | ) | | 4,322 |
| Other comprehensive (loss) income, net of tax | | (25,387 | ) | | (34,660 | ) | | 75,916 |
| Comprehensive (loss) income | | $ | (383,351 | ) | | $ | 511,761 |
| | $ | 471,880 |
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The following tables reflect the changes in accumulated other comprehensive (loss) income, net of tax, for the years ended December 31, 2016 and 2015 (in thousands): | | | | | | | | | | | | | | | | | | | | Foreign Currency Translation Adjustment | | Unrealized Gain (Loss) on Marketable Securities and Restricted Investments | | Unrealized Gain (Loss) on Derivative Instruments | | Total | Balance as of December 31, 2014 | | $ | (53,337 | ) | | $ | 102,299 |
| | $ | 1,178 |
| | $ | 50,140 |
| Other comprehensive loss before reclassifications | | (16,432 | ) | | (15,413 | ) | | (8,572 | ) | | (40,417 | ) | Amounts reclassified from accumulated other comprehensive (loss) income | | — |
| | (2 | ) | | 5,759 |
| | 5,757 |
| Net other comprehensive loss | | (16,432 | ) | | (15,415 | ) | | (2,813 | ) | | (34,660 | ) | Balance as of December 31, 2015 | | (69,769 | ) | | 86,884 |
| | (1,635 | ) | | 15,480 |
| Other comprehensive (loss) income before reclassifications | | (7,409 | ) | | 16,898 |
| | 6,927 |
| | 16,416 |
| Amounts reclassified from accumulated other comprehensive (loss) income | | — |
| | (38,611 | ) | | (3,192 | ) | | (41,803 | ) | Net other comprehensive (loss) income | | (7,409 | ) | | (21,713 | ) | | 3,735 |
| | (25,387 | ) | Balance as of December 31, 2016 | | $ | (77,178 | ) | | $ | 65,171 |
| | $ | 2,100 |
| | $ | (9,907 | ) |
| | | | | | | | | | | | Details of Accumulated Other Comprehensive Income or Loss | | Amounts Reclassified for the Year Ended December 31, | | Income Statement Line Item | | 2016 | | 2015 | | Gains and (losses) on marketable securities and restricted investments: | | | | | | | | | $ | 41,633 |
| | $ | 2 |
| | Other income (expense), net | | | (3,022 | ) | | — |
| | Tax expense | | | $ | 38,611 |
| | $ | 2 |
| | Total, net of tax | Gains and (losses) on derivative contracts: | | | | | | | Foreign exchange forward contracts | | $ | — |
| | $ | 1,782 |
| | Net sales | Foreign exchange forward contracts | | — |
| | 5,509 |
| | Cost of sales | Cross-currency swap contract | | 4,896 |
| | (10,135 | ) | | Foreign currency loss, net | Foreign exchange forward, interest rate, and cross-currency swap contracts | | (1,704 | ) | | (637 | ) | | Interest expense, net | | | 3,192 |
| | (3,481 | ) | | Total before tax | | | — |
| | (2,278 | ) | | Tax expense | | | $ | 3,192 |
| | $ | (5,759 | ) | | Total, net of tax |
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