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General (Details) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2017 USD ($) | Oct. 01, 2016 USD ($) | Jun. 09, 2015 EUR (€)
Debt Instrument [Line Items] |  |  |
Net cash provided by (used in) operating activities | $ 874,222 | $ 1,000,342 |
Net cash provided by (used in) financing activities | $ (23,337) | (516,882) |
2.00% Senior Notes due January 14, 2022 |  |  |
Debt Instrument [Line Items] |  |  |
Aggregate principal amount of debts | € |  |  | € 500,000,000
Interest rate percentage | 2.00% |  | 2.00%
Change in debt value | $ 64,684 |  |
Change in debt value, net of taxes | $ 40,427 |  |
Accounting Standards Update 2016-09, Statutory tax withholding component |  |  |
Debt Instrument [Line Items] |  |  |
Net cash provided by (used in) operating activities |  | 11,879 |
Net cash provided by (used in) financing activities |  | (11,879) |
Accounting Standards Update 2016-09, Excess tax benefit component |  |  |
Debt Instrument [Line Items] |  |  |
Net cash provided by (used in) operating activities |  | 3,782 |
Net cash provided by (used in) financing activities |  | $ (3,782) |

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