Indebtedness (Details) (USD $) In Thousands, unless otherwise specified	Jun. 28, 2013	Dec. 31, 2012
Debt Instrument [Line Items]
Long-term debt	$ 543,202	$ 516,674
Current portion of long-term debt	3,333	0
Long-term debt, excluding current maturities	539,869	516,674
Senior notes | Senior Secured Notes (9.50%)
Debt Instrument [Line Items]
Long-term debt	375,000	375,000
Unsecured debt | Senior Unsecured Loan Facility (12.25%)
Debt Instrument [Line Items]
Long-term debt	123,430	123,188
Line of credit | ABL Credit Facility
Debt Instrument [Line Items]
Long-term debt	41,439	18,486
Line of credit | Dutch Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt	3,333	0
Current portion of long-term debt	$ 3,333	$ 0