Sale of Assets (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2011
Sales of Assets [Line Items]
Gain on Sale of Assets	$ 14.2
Intangible assets [Member]
Sales of Assets [Line Items]
Assets disposed by sale	1.7
Fixed asssets [Member]
Sales of Assets [Line Items]
Assets disposed by sale	0.1
Orbit diabetes product line [Member]
Sales of Assets [Line Items]
Proceeds from the sale of Orbit	$ 16.2

The aggregate impact on earnings in the period of (a) the loss (gain) from the difference between the sale price or salvage price and the book value of an asset that was sold or retired during the reporting period, and (b) the charge against earnings resulting from the aggregate write down of all assets from their carrying value to their fair value.

No definition available.

Name:	us-gaap_LossesGainsOnSalesOfAssetsAndAssetImpairmentCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration