Accounting Policies (Details 2) In Millions, unless otherwise specified	3 Months Ended					3 Months Ended	1 Months Ended	3 Months Ended			1 Months Ended	3 Months Ended	1 Months Ended
	Apr. 01, 2012 USD ($) Y	Apr. 03, 2011 USD ($)	Dec. 31, 2011 USD ($)	Jan. 31, 2012 Tekmar USD ($)	Jan. 31, 2012 Tekmar CAD	Apr. 01, 2012 Trade name USD ($) Y	Jan. 31, 2012 Trade name Tekmar Y	Apr. 01, 2012 Patents USD ($) Y	Apr. 01, 2012 Customer relationships USD ($) Y	Apr. 01, 2012 Technology USD ($) Y	Jan. 31, 2012 Technology Tekmar Y	Apr. 01, 2012 Other USD ($) Y	Jan. 31, 2012 Distributor relationships Tekmar Y
Intangible assets
Initial purchase price paid					18.0
Preliminary purchase price					26.2
Purchase price allocated to intangible assets				10.1
Weighted-average remaining life (in years)	10.3					12.8	20	7.0	7.2	12.3	10	42.9	7
Intangible assets subject to amortization
Gross Carrying Amount	205.2					14.2		16.7	137.2	28.5		8.6
Accumulated Amortization	(86.0)					(1.0)		(11.1)	(60.8)	(7.6)		(5.5)
Net Carrying Amount	119.2					13.2		5.6	76.4	20.9		3.1
Indefinite-lived intangible assets
Indefinite-lived intangible assets	42.9
Intangible assets
Gross Carrying Amount	248.1
Accumulated Amortization	(86.0)					(1.0)		(11.1)	(60.8)	(7.6)		(5.5)
Total	162.1		154.6
Aggregate amortization expense for amortized intangible assets	4.2	4.0
Future amortization expense
Future amortization expense for remainder of 2012	12.4
Future amortization expense, 2013	15.3
Future amortization expense, 2014	15.2
Future amortization expense, 2015	14.9
Future amortization expense, 2016	$ 14.5