Schedule of Special Charges, Net (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012
Restructuring and plant realignment costs
Total restructuring and plant realignment costs			$ 1,314	$ 10,058
Other special charges
Total special charges, net	1,750	8,753	3,554	11,172
Special Charges Net
Restructuring and plant realignment costs
Plant realignment costs	1,014	323	1,110	996
IS support initiative	18	512	25	789
Other restructure initiatives	43	113	43	163
Total restructuring and plant realignment costs	1,473	8,311	3,119	10,058
Acquisition and merger related costs
Blackstone acquisition costs	0	89	0	450
Total acquisition and merger related costs	0	89	0	450
Other special charges
Other charges	277	353	435	664
Total other special charges	277	353	435	664
Total special charges, net	1,750	8,753	3,554	11,172
Internal Redesign and Restructuring of Global Operations
Special Charges [Line Items]
Employee Separation	50	6,078	136	6,078
Restructuring and plant realignment costs
Internal redesign and restructure of global operations	398	7,363	1,941	8,110
Employee Relocation, Professional Fees and Other Administrative Cost [Member] | Internal Redesign and Restructuring of Global Operations
Restructuring and plant realignment costs
Total restructuring and plant realignment costs	201	444	403	444
Consultant Fee [Member] | Internal Redesign and Restructuring of Global Operations
Restructuring and plant realignment costs
Total restructuring and plant realignment costs	$ 147	$ 841	$ 1,402	$ 1,588