Shareholders' Equity (Details) (USD $) In Thousands, except Share data, unless otherwise specified	1 Months Ended	3 Months Ended
	Jul. 31, 2013	Mar. 29, 2014		Mar. 30, 2013
Changes In Components Of OCI [Line Items]
Stock Repurchase Program, Authorized Amount	$ 200,000
Treasury Stock, Shares, Acquired		2,294,163
Treasury Stock, Value, Acquired, Cost Method		123,571
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment		(10,507)		(66,170)
Other Comprehensive Income (Loss) Unrealized gain (loss) on investment securities, net		596		(1,978)
Other Comprehensive Income (Loss), Unrealized Gain on Derivatives Arising During Period, Net		99		1,744
Other Comprehensive Income (Loss), Employee Benefit Plan Items, Adjustment, Net		553		799
Accumulated Other Comprehensive Income (Loss), Net of Tax		(9,259)		(65,605)
Other comprehensive income before reclassifications [Member]
Changes In Components Of OCI [Line Items]
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment		(10,371)		(65,918)
Other Comprehensive Income (Loss) Unrealized gain (loss) on investment securities, net		596		(1,978)
Other Comprehensive Income (Loss), Unrealized Gain on Derivatives Arising During Period, Net		0		1,923
Other Comprehensive Income (Loss), Employee Benefit Plan Items, Adjustment, Net		(36)		(4)
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		6,397	[1]	4,622	[1]
Reclassification out of Accumulated Other Comprehensive Income [Member]
Changes In Components Of OCI [Line Items]
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment		(136)		(252)
Other Comprehensive Income (Loss) Unrealized gain (loss) on investment securities, net		0		0
Other Comprehensive Income (Loss), Unrealized Gain on Derivatives Arising During Period, Net		99		(179)
Other Comprehensive Income (Loss), Employee Benefit Plan Items, Adjustment, Net		$ (517)		$ (795)

[1] Includes intra-entity foreign currency transactions that are of a long-term investment nature of $6,397 and $4,622 for the first quarters of 2014 and 2013, respectively.