Accounting Policies (Details 2) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended								6 Months Ended		1 Months Ended	6 Months Ended		6 Months Ended		6 Months Ended		1 Months Ended	6 Months Ended		1 Months Ended
	Jul. 01, 2012 USD ($)	Jul. 03, 2011 USD ($)	Jul. 01, 2012 USD ($) Y	Jul. 03, 2011 USD ($)	Dec. 31, 2011 USD ($)	Dec. 31, 2010 USD ($)	Jan. 31, 2012 Tekmar USD ($)	Jan. 31, 2012 Tekmar CAD	Jul. 01, 2012 Europe USD ($)	Oct. 30, 2011 EMEA	Jul. 01, 2012 Trade name USD ($) Y	Dec. 31, 2011 Trade name USD ($)	Jan. 31, 2012 Trade name Tekmar Y	Jul. 01, 2012 Patents USD ($) Y	Dec. 31, 2011 Patents USD ($)	Jul. 01, 2012 Customer relationships USD ($) Y	Dec. 31, 2011 Customer relationships USD ($)	Jul. 01, 2012 Technology USD ($) Y	Dec. 31, 2011 Technology USD ($)	Jan. 31, 2012 Technology Tekmar Y	Jul. 01, 2012 Other USD ($) Y	Dec. 31, 2011 Other USD ($)	Jan. 31, 2012 Distributor relationships Tekmar Y
Intangible assets
Initial purchase price paid								18.0
Preliminary purchase price								26.2
Purchase price allocated to goodwill							13.1
Purchase price allocated to intangible assets							10.1
Weighted-average remaining life (in years)			10.0								12.1		20	6.9		7.0		12.2		10	42.1		7
Fair value of goodwill exceeds carrying value, percentage										9.00%
Goodwill	513.7	536.7	513.7	536.7	513.6	450.0			202.7
Intangible assets subject to amortization
Gross Carrying Amount	198.1		198.1		194.0						13.0	13.4		16.3	16.5	132.1	135.8	28.1	19.8		8.6	8.5
Accumulated Amortization	(90.1)		(90.1)		(81.8)						(1.3)	(0.8)		(11.2)	(10.8)	(63.9)	(57.7)	(8.2)	(7.1)		(5.5)	(5.4)
Net Carrying Amount	108.0		108.0		112.2						11.7	12.6		5.1	5.7	68.2	78.1	19.9	12.7		3.1	3.1
Indefinite-lived intangible assets
Indefinite-lived intangible assets	41.5		41.5		42.4
Intangible assets
Gross Carrying Amount	239.6		239.6		236.4
Total	149.5		149.5		154.6
Aggregate amortization expense for amortized intangible assets	4.2	5.3	8.4	9.3
Future amortization expense
Future amortization expense for remainder of 2012			7.6
Future amortization expense, 2013			15.0
Future amortization expense, 2014			14.8
Future amortization expense, 2015			14.5
Future amortization expense, 2016			$ 14.1