Summary of Significant Accounting Policies (Details) (USD $)	0 Months Ended	12 Months Ended
	Aug. 14, 2012	Dec. 31, 2013 entities	Dec. 31, 2012	Dec. 30, 2011
Valuation and Qualifying Accounts Disclosure [Line Items]
Number of facilities		36
Number of North American facilities		31
Number of European facilities		5
Business combination, consideration transferred	$ 6,400,000
Trade accounts receivable		69,800,000	69,300,000
Percent likely that a tax benefit recognized		50.00%
Advertising expense		3,100,000	3,300,000	2,800,000
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance, beginning of year		2,751,000	4,391,000	5,742,000
Balance, end of year		2,235,000	2,751,000	4,391,000
Allowance for Doubtful Accounts
Allowance for Doubtful Accounts Receivable [Roll Forward]
Charges to costs and expenses		290,000	364,000	18,000
Write-offs and other activity		(838,000)	(2,037,000)	(1,319,000)
Foreign currency translation		$ (32,000)	$ (33,000)	$ (50,000)