Restructuring, Asset Impairment Charges and Other Items (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jul. 03, 2011	Jul. 04, 2010	Jul. 03, 2011	Jul. 04, 2010
Restructuring of operations and other items net from continued operations
Total restructuring of operations and other items, net	$ (10,904)	$ 5,086	$ (8,098)	$ 6,706
Segment, Continuing Operations [Member]
Restructuring of operations and other items net from continued operations
Total restructuring expenses	2,154	4,904	5,485	6,275
Other items	(13,058)	182	(13,583)	431
Total restructuring of operations and other items, net	(10,904)	5,086	(8,098)	6,706
Segment, Continuing Operations [Member] | Lease and contract terminations [Member]
Restructuring of operations and other items net from continued operations
Total restructuring expenses	1,865	125	3,553	971
Segment, Continuing Operations [Member] | Employee severance and benefits [Member]
Restructuring of operations and other items net from continued operations
Total restructuring expenses	$ 289	$ 4,779	$ 1,932	$ 5,304