Restructuring, Asset Impairment Charges and Other Items (Details) (USD $) In Thousands	3 Months Ended		9 Months Ended
	Oct. 02, 2011	Oct. 03, 2010	Oct. 02, 2011	Oct. 03, 2010
Restructuring of operations and other items net from continued operations
Total restructuring of operations and other items, net	$ 10,784	$ 3,538	$ 2,686	$ 10,244
Segment, Continuing Operations [Member]
Restructuring of operations and other items net from continued operations
Total restructuring expenses	6,812	3,938	12,297	10,213
Other items	3,972	(400)	(9,611)	31
Total restructuring of operations and other items, net	10,784	3,538	2,686	10,244
Segment, Continuing Operations [Member] | The balance remaining for lease and contract terminations is expected to be paid during the remaining terms of the leases, which extend through 2015 [Member]
Restructuring of operations and other items net from continued operations
Total restructuring expenses	311	1,867	3,864	2,838
Segment, Continuing Operations [Member] | The balance remaining for employee severance and benefits is expected to be paid by the first quarter of 2012 [Member]
Restructuring of operations and other items net from continued operations
Total restructuring expenses	482	2,071	2,414	7,375
Segment, Continuing Operations [Member] | Asset impairment and other exit charges [Member]
Restructuring of operations and other items net from continued operations
Total restructuring expenses	$ 6,019		$ 6,019