Shareholders' Equity (Details) (USD $) In Thousands, except Share data, unless otherwise specified	1 Months Ended		3 Months Ended							9 Months Ended
	Jul. 31, 2013	Feb. 28, 2013	Sep. 28, 2013		Jun. 29, 2013		Mar. 30, 2013		Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012	Dec. 31, 2012
Changes in components of OCI [Line Items]
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax			$ 211,585		$ 130,773		$ 116,462			$ 211,585		$ 182,632
Accumulated Other Comprehensive Income (Loss), Other, Net of Tax			(33,745)							(33,745)		(37,495)
Accumulated Other Comprehensive Income (Loss), Net of Tax			177,840		95,324		79,532			177,840		145,137
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment			80,812		14,311		(66,170)		29,942	28,953	(17,692)
Other Comprehensive Income (Loss) Unrealized gain (loss) on investment securities, net			864		581		(1,978)		3,418	(533)	4,465
Other Comprehensive Income (Loss), Unrealized Gain on Derivatives Arising During Period, Net			96		137		1,744		(1,322)	1,977	(5,086)
Other Comprehensive Income (Loss), Employee Benefit Plan Items, Adjustment, Net			744		763		799		582	2,306	1,748
Other Comprehensive Income (Loss), Net of Tax			82,516		15,792		(65,605)		32,620	32,703	(16,565)
Stock Repurchase Program, Authorized Amount	200,000	200,000
Treasury Stock, Shares, Acquired			5,064,464
Treasury Stock, Value, Acquired, Cost Method			198,572
Other comprehensive income before reclassifications [Member]
Changes in components of OCI [Line Items]
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment			80,764	[1]	14,539	[1]	(65,918)	[1]
Other Comprehensive Income (Loss) Unrealized gain (loss) on investment securities, net			864		581		(1,978)
Other Comprehensive Income (Loss), Unrealized Gain on Derivatives Arising During Period, Net			0		0		1,923
Other Comprehensive Income (Loss), Employee Benefit Plan Items, Adjustment, Net			27		46		4
Other Comprehensive Income (Loss), Net of Tax			81,655		15,166		(65,969)
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			(6,365)	[1]	(13,224)	[1]	4,622	[1]
Amounts reclassified into income [Member]
Changes in components of OCI [Line Items]
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment			48		(228)		(252)
Other Comprehensive Income (Loss) Unrealized gain (loss) on investment securities, net			0		0		0
Other Comprehensive Income (Loss), Unrealized Gain on Derivatives Arising During Period, Net			96		137		(179)
Other Comprehensive Income (Loss), Employee Benefit Plan Items, Adjustment, Net			717		717		795
Other Comprehensive Income (Loss), Net of Tax			861		626		364
Unrealized Gain (Loss) on Investment Securities, Net [Member]
Changes in components of OCI [Line Items]
Accumulated Other Comprehensive Income (Loss), Other, Net of Tax			19,084		18,220		17,639			19,084		19,617
Unrealized Gain (Loss) on Interest Rate Swaps Designated as Cash Flow Hedges, Net [Member]
Changes in components of OCI [Line Items]
Accumulated Other Comprehensive Income (Loss), Other, Net of Tax			(4,692)		(4,788)		(4,925)			(4,692)		(6,669)
Employee Benefit Plan Items, Net [Member]
Changes in components of OCI [Line Items]
Accumulated Other Comprehensive Income (Loss), Other, Net of Tax			$ (48,137)		$ (48,881)		$ (49,644)			$ (48,137)		$ (50,443)

[1] Foreign currency translation adjustment includes intra-entity foreign currency transactions that are of a long-term investment nature of $4,622, $(13,224), and $(6,365) for the first, second, and third quarters of 2013, respectively.