Discontinued Operations (Details) (USD $)	3 Months Ended	9 Months Ended			3 Months Ended	9 Months Ended			3 Months Ended	9 Months Ended
	Oct. 02, 2011	Oct. 02, 2011	Oct. 03, 2010	Dec. 31, 2010	Jul. 03, 2011 CWV	Oct. 02, 2011 CWV	Oct. 03, 2010 CWV	Apr. 04, 2010 CWV	Oct. 02, 2011 TEAM	Oct. 02, 2011 TEAM	Oct. 03, 2010 TEAM
Discontinued Operations
Estimated reserve								$ 5,300,000
Payment related to disgorgement and prejudgment interest						3,600,000
Penalties						200,000
(Cost and expenses) benefit - FCPA matter					1,700,000		(5,600,000)
Gain (loss) on sale/disposal							(100,000)		100,000	400,000	(100,000)
Income (loss) before income taxes	100,000	2,100,000	(5,800,000)
Income tax expense (benefit)		300,000	(1,600,000)
Carrying amounts of major classes of assets and liabilities
Prepaid expenses and other assets				400,000
Deferred income taxes	1,400,000	1,400,000		1,400,000
Assets of discontinued operations	1,400,000	1,400,000		1,800,000
Accrued expenses and other liabilities	3,900,000	3,900,000		5,800,000
Liabilities of discontinued operations	3,900,000	3,900,000		5,800,000
Income (loss) from discontinued operations, net of taxes	$ 100,000	$ 1,800,000	$ (4,200,000)