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
	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
Purchase price allocation, working capital		8.6
Purchase price allocation, cash		3.8
Purchase price allocation, property, plant and equipment		33.4
Purchase price allocation, net other liabilities		2.0
Purchase price allocation, net deferred tax liabilities		28.3
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		95.5
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