Summary of Significant Accounting Policies (Details) (USD $)	12 Months Ended
	Dec. 31, 2012 entities	Dec. 30, 2011	Dec. 31, 2010	Aug. 14, 2012
Accounting Policies [Abstract]
Number of Facilities	40
Number of North American Facilities	33
Number of European Facilities	7
Business Combination, Consideration Transferred				$ 6,400,000
Trade accounts receivable	69,300,000	81,900,000
Percent likely that a tax benefit recognized	50.00%
Advertising Expense	3,300,000	2,800,000	3,100,000
Valuation and Qualifying Accounts Disclosure [Line Items]
Allowance for doubtful accounts balance, beginning of year	4,391,000	5,742,000	7,213,000
Allowance for doubtful accounts balance, end of year	2,751,000	4,391,000	5,742,000
Allowance for Doubtful Accounts [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Net charges to costs and expenses	364,000	18,000	624,000
Write-offs, net of recoveries	(2,037,000)	(1,319,000)	(2,039,000)
Foreign currency translation	$ 33,000	$ (50,000)	$ (56,000)