Indebtedness (Details) (USD $) In Thousands, unless otherwise specified	Sep. 26, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Long-term debt	$ 549,065	$ 535,396
Current portion of long-term debt	8,253	0
Long-term debt, excluding current maturities	540,812	535,396
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	124,075	123,640
Line of credit | ABL Credit Facility
Debt Instrument [Line Items]
Long-term debt	41,737	36,756
Line of credit | Dutch Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt	8,253	0
Current portion of long-term debt	$ 8,253	$ 0