Acquisitions (Details) In Millions, except Per Share data, unless otherwise specified	3 Months Ended							3 Months Ended		12 Months Ended			1 Months Ended
	Apr. 01, 2012 USD ($) Y	Apr. 03, 2011 USD ($)	Apr. 01, 2012 Trade name Y	Apr. 01, 2012 Customer relationships Y	Apr. 01, 2012 Socla USD ($)	Apr. 03, 2011 Socla USD ($)	Dec. 31, 2011 Socla USD ($)	Apr. 01, 2012 Socla Trade name Y	Apr. 01, 2012 Socla Customer relationships Y	Dec. 31, 2011 Tekmar CAD	Jan. 31, 2012 Tekmar USD ($)	Jan. 31, 2012 Tekmar CAD	Jan. 31, 2012 Tekmar Trade name Y
Acquisition
Aggregate consideration, net							$ 172.4					26.2
Purchase price allocated to goodwill							79.7
Purchase price allocated to intangible assets							39.9				10.1
Weighted-average remaining life (in years)	10.3		12.8	7.2				20	10				20
Assets and liabilities acquired
Cash							7.4
Accounts receivable							28.2
Inventory							24.6
Fixed assets							46.8
Other assets							6.5
Intangible assets							39.9
Goodwill							79.7
Accounts payable							(8.2)
Accrued expenses and other							(19.4)
Deferred tax liability							(22.3)
Debt							(10.8)
Purchase price							172.4					26.2
Supplemental pro-forma information
Net sales						363.3
Net income from continuing operations						13.5
Net income per share:
Basic EPS (in dollars per share)						$ 0.36
Diluted EPS (in dollars per share)						$ 0.36
Net interest expense related to financing						0.6
Net Non-recurring acquisition-related charges and third-party costs						1.1
Revenues					34.8
Operating income	26.9	22.9			2.5	0.5
Restructuring charges					0.5
Initial purchase price paid												18.0
Sales										11.0