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Shareholders' Equity (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 01, 2017 | Jul. 02, 2016 | Jul. 01, 2017 | Jul. 02, 2016
Changes In Components Of OCI [Line Items] |  |  |  |  |
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment and Other |  | $ 133,625 | $ (51,510) | $ 170,480 | $ 21,669
Other Comprehensive Income (Loss) Unrealized gain (loss) on investment securities, net |  | 1,554 | (2,030) | 3,282 | (3,681)
Other Comprehensive Income, Unrealized Gain on Derivatives Arising During Period, Net |  | (547) | 93 | (450) | 184
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax |  | (505) | (3,844) | (911) | (4,764)
Net change in accumulated other comprehensive income (loss) |  | 132,537 | (48,385) | 171,036 | 22,146
Other comprehensive income before reclassifications [Member] |  |  |  |  |
Changes In Components Of OCI [Line Items] |  |  |  |  |
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment and Other | [1] | 132,337 | (50,181) | 169,940 | 19,788
Other Comprehensive Income (Loss) Unrealized gain (loss) on investment securities, net |  | 1,554 | (2,030) | 3,282 | (3,681)
Other Comprehensive Income, Unrealized Gain on Derivatives Arising During Period, Net |  | (647) | 0 | (647) | 0
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax |  | (48) | 31 | (43) | 72
Other comprehensive income before reclassifications [Member] | Intra-entity foreign currency transactions [Member] |  |  |  |  |
Changes In Components Of OCI [Line Items] |  |  |  |  |
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment and Other |  | (36,503) | 3,982 | (36,180) | (28,819)
Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |  |  |
Changes In Components Of OCI [Line Items] |  |  |  |  |
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment and Other |  | (1,312) | (111) | (2,647) | 1,091
Other Comprehensive Income (Loss) Unrealized gain (loss) on investment securities, net |  | 0 | 0 | 0 | 0
Other Comprehensive Income, Unrealized Gain on Derivatives Arising During Period, Net |  | 100 | 93 | 197 | 184
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax |  | $ 553 | $ 3,813 | $ 954 | $ 4,692
[1] | Includes intra-entity foreign currency transactions that are of a long-term investment nature of $(36,503) and $(36,180) for the second quarter and first six months of 2017 and $3,982 and $(28,819) for the second quarter and first six months of 2016, respectively.

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