Restructuring, Integration, and Other Charges - Accrual (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Apr. 02, 2011
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges	$ 8,243	$ 9,607
Restructuring Reserve	13,414
Number of Years for the Personnel Accrual to Be Spent	1
Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	6,276
Restructuring Reserve Scheduled Lease Payments Current Year	3,354
Restructuring Reserve Scheduled Lease Payments Year One	1,452
Restructuring Reserve Scheduled Lease Payments Year Two	637
Restructuring Reserve Scheduled Lease Payments Year Three	366
Restructuring Reserve Scheduled Lease Payments Year Four	284
Restructuring Reserve Scheduled Lease Payments Thereafter	183
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	7,138
Restructuring Charges 2012 Plan [Member]
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges	5,417
Restructuring Reserve, Settled with Cash	(2,036)
Restructuring Reserve, Settled without Cash	706
Restructuring Reserve, Translation Adjustment	14
Restructuring Reserve	2,689
Restructuring Charges 2012 Plan [Member] | Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges	103
Restructuring Reserve, Settled with Cash	(10)
Restructuring Reserve, Settled without Cash	0
Restructuring Reserve, Translation Adjustment	0
Restructuring Reserve	93
Restructuring Charges 2012 Plan [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges	706
Restructuring Reserve, Settled with Cash	0
Restructuring Reserve, Settled without Cash	706
Restructuring Reserve, Translation Adjustment	0
Restructuring Reserve	0
Restructuring Charges 2012 Plan [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges	4,608
Restructuring Reserve, Settled with Cash	(2,026)
Restructuring Reserve, Settled without Cash	0
Restructuring Reserve, Translation Adjustment	14
Restructuring Reserve	2,596
Restructuring Charges 2011 Plan [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	8,707
Restructuring, integration, and other charges	1,841	4,355
Restructuring Reserve, Settled with Cash	(3,857)
Restructuring Reserve, Translation Adjustment	112
Restructuring Reserve	6,803
Restructuring Charges 2011 Plan [Member] | Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	3,190
Restructuring, integration, and other charges	190
Restructuring Reserve, Settled with Cash	(745)
Restructuring Reserve, Translation Adjustment	8
Restructuring Reserve	2,643
Restructuring Charges 2011 Plan [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	5,517
Restructuring, integration, and other charges	1,651
Restructuring Reserve, Settled with Cash	(3,112)
Restructuring Reserve, Translation Adjustment	104
Restructuring Reserve	4,160
Restructuring Charges From Prior Periods [Member]
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges	487	(79)
Restructuring Charges From Prior to 2011 [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	5,702
Restructuring, integration, and other charges	(1,354)
Restructuring Reserve, Settled with Cash	(505)
Restructuring Reserve, Translation Adjustment	79
Restructuring Reserve	3,922
Restructuring Charges From Prior to 2011 [Member] | Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	3,882
Restructuring, integration, and other charges	40
Restructuring Reserve, Settled with Cash	(450)
Restructuring Reserve, Translation Adjustment	68
Restructuring Reserve	3,540
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
Restructuring Charges From Prior to 2011 [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	511
Restructuring, integration, and other charges	(85)
Restructuring Reserve, Settled with Cash	(55)
Restructuring Reserve, Translation Adjustment	11
Restructuring Reserve	382
Restructuring Charges From Acquisitions [Member]
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges	$ 2,339	$ 5,331