Restructuring, Integration, and Other Charges - Accrual (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jul. 02, 2011	Jun. 30, 2012	Jul. 02, 2011
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges	$ 13,347	$ 5,221	$ 21,590	$ 14,828
Restructuring Reserve	12,683		12,683
Number of Years for the Personnel Accrual to Be Spent	1		1
Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	5,038		5,038
Restructuring Reserve Scheduled Lease Payments Current Year	2,015		2,015
Restructuring Reserve Scheduled Lease Payments Year One	1,437		1,437
Restructuring Reserve Scheduled Lease Payments Year Two	776		776
Restructuring Reserve Scheduled Lease Payments Year Three	346		346
Restructuring Reserve Scheduled Lease Payments Year Four	283		283
Restructuring Reserve Scheduled Lease Payments Thereafter	181		181
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	7,645		7,645
Restructuring Charges 2012 Plan [Member]
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges	9,430		14,847
Restructuring Reserve, Settled with Cash			(5,419)
Restructuring Reserve, Settled without Cash			(4,150)
Restructuring Reserve, Translation Adjustment			(6)
Restructuring Reserve	5,272		5,272
Restructuring Charges 2012 Plan [Member] | Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges			331
Restructuring Reserve, Settled with Cash			(115)
Restructuring Reserve, Settled without Cash			0
Restructuring Reserve, Translation Adjustment			0
Restructuring Reserve	216		216
Restructuring Charges 2012 Plan [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges			4,150
Restructuring Reserve, Settled with Cash			0
Restructuring Reserve, Settled without Cash			(4,150)
Restructuring Reserve, Translation Adjustment			0
Restructuring Reserve	0		0
Restructuring Charges 2012 Plan [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges			10,366
Restructuring Reserve, Settled with Cash			(5,304)
Restructuring Reserve, Settled without Cash			0
Restructuring Reserve, Translation Adjustment			(6)
Restructuring Reserve	5,056		5,056
Restructuring Charges From Prior Periods [Member]
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges	(60)	(1,287)	427	(1,366)
Restructuring Charges 2011 Plan [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve			8,707
Restructuring, integration, and other charges		4,277	1,989	8,632
Restructuring Reserve, Settled with Cash			(6,535)
Restructuring Reserve, Translation Adjustment			(46)
Restructuring Reserve	4,115		4,115
Restructuring Charges 2011 Plan [Member] | Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve			3,190
Restructuring, integration, and other charges			(245)
Restructuring Reserve, Settled with Cash			(1,100)
Restructuring Reserve, Translation Adjustment			4
Restructuring Reserve	1,849		1,849
Restructuring Charges 2011 Plan [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve			5,517
Restructuring, integration, and other charges			2,234
Restructuring Reserve, Settled with Cash			(5,435)
Restructuring Reserve, Translation Adjustment			(50)
Restructuring Reserve	2,266		2,266
Restructuring Charges From Prior to 2011 [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve			5,702
Restructuring, integration, and other charges			(1,562)
Restructuring Reserve, Settled with Cash			(828)
Restructuring Reserve, Translation Adjustment			(16)
Restructuring Reserve	3,296		3,296
Restructuring Charges From Prior to 2011 [Member] | Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve			3,882
Restructuring, integration, and other charges			(132)
Restructuring Reserve, Settled with Cash			(768)
Restructuring Reserve, Translation Adjustment			(9)
Restructuring Reserve	2,973		2,973
Restructuring Charges From Prior to 2011 [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve			1,309
Restructuring, integration, and other charges			(1,309)
Restructuring Reserve, Settled with Cash			0
Restructuring Reserve, Translation Adjustment			0
Restructuring Reserve	0		0
Restructuring Charges From Prior to 2011 [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve			511
Restructuring, integration, and other charges			(121)
Restructuring Reserve, Settled with Cash			(60)
Restructuring Reserve, Translation Adjustment			(7)
Restructuring Reserve	323		323
Restructuring Charges From Acquisitions [Member]
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges	$ 3,977	$ 2,231	$ 6,316	$ 7,562