Acqusitions (Details) (Origio [Member]) In Millions, except Per Share data, unless otherwise specified	3 Months Ended					1 Months Ended		1 Months Ended		1 Months Ended
	Apr. 30, 2013 USD ($)	Jul. 31, 2012 USD ($)	Jul. 11, 2012 USD ($)	Jul. 11, 2012 NOK	Jul. 11, 2012 Coopersurgical [Member] USD ($)	Jul. 31, 2012 Customer Relationships [Member]	Jul. 11, 2012 Customer Relationships [Member] USD ($)	Jul. 31, 2012 Technology [Member]	Jul. 11, 2012 Technology [Member] USD ($)	Jul. 31, 2012 Trade Names [Member]	Jul. 11, 2012 Trade Names [Member] USD ($)
Business Acquisition [Line Items]
Cost of acquired entity, foreign cash paid (in NOK per share)				28
Percentage of voting interest acquired			97.00%	97.00%
Cost of acquired entity, cash paid			$ 147.4
Cost of acquired entity, cash paid net of cash acquired			143.6
Goodwill, Purchase Accounting Adjustments	12.4
Purchase price allocation, working capital			8.5
Purchase price allocation, cash			3.8
Purchase price allocation, property, plant and equipment			22.4
Purchase price allocation, net other liabilities			1.9
Purchase price allocation, net deferred tax liabilities			25.6
Purchase price allocation, noncontrolling interest			22.1
Purchase price allocation, debt			45.4
Purchase price allocation, amortizable intangible assets			107.7
Purchase price allocation, goodwill			103.7
Acquired intangible asset							82.1		17.4		8.2
Intangible asset, useful life						15 years		10 years		17 years
Acquisition costs		4.9
Goodwill deductible for tax purposes					$ 13.1