Segment Information Segment Information - Long Lived Assets by Geographical Area (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 30, 2011
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net	$ 141,208	$ 146,549
UNITED STATES
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net	69,241	72,848
NETHERLANDS
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net	36,428	37,382
UNITED KINGDOM
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net	19,732	19,746
FRANCE
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net	13,358	13,786
CANADA
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net	$ 2,449	$ 2,787