Acquisitions (Details) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended				3 Months Ended		6 Months Ended				6 Months Ended		12 Months Ended			1 Months Ended
	Jul. 01, 2012 USD ($)	Jul. 03, 2011 USD ($)	Jul. 01, 2012 USD ($) Y	Jul. 03, 2011 USD ($)	Jul. 01, 2012 Trade name Y	Jul. 01, 2012 Customer relationships Y	Jul. 01, 2012 Socla USD ($)	Jul. 03, 2011 Socla USD ($)	Jul. 01, 2012 Socla USD ($)	Jul. 03, 2011 Socla USD ($)	Dec. 31, 2011 Socla USD ($)	Dec. 31, 2011 Socla EUR (€)	Jul. 01, 2012 Socla Trade name Y	Jul. 01, 2012 Socla Customer relationships Y	Dec. 31, 2011 Tekmar CAD	Jan. 31, 2012 Tekmar USD ($)	Jan. 31, 2012 Tekmar CAD	Jan. 31, 2012 Tekmar Trade name Y
Acquisition
Aggregate consideration, net											$ 172.4	€ 116.3					26.2
Purchase price allocated to goodwill											79.7					13.1
Purchase price allocated to intangible assets											39.9					10.1
Weighted-average remaining life (in years)			10.0		12.1	7.0							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					13.1
Accounts payable											(8.2)
Accrued expenses and other											(19.4)
Deferred tax liability											(22.3)
Debt											(10.8)
Purchase price											172.4	116.3					26.2
Revenues							34.4		69.2
Operating income (loss)	33.7	26.6	60.6	49.5			3.2		5.7
Restructuring charges							0.1		0.6
Supplemental pro-forma information
Net sales								389.7		753.0
Net income from continuing operations								15.7		29.0
Net income per share:
Basic EPS continuing operations (in dollars per share)								$ 0.42		$ 0.77
Diluted EPS continuing operations (in dollars per share)								$ 0.41		$ 0.77
Net interest expense related to financing								0.2		0.7
Net amortization expense of amortizable tangible and intangible assets								0.2		0.9
Net Non-recurring acquisition-related charges and third-party costs								2.4		3.5
Initial purchase price paid																	18.0
Sales															11.0