Commitments and Contingencies (Details) - patent	Mar. 10, 2015	Jan. 11, 2012
C.R. Bard, Inc.
Loss Contingencies [Line Items]
Number of petitions filed for reexamination of patents		3
Number of patents upheld over prior art references		2
The Delaware Action
Loss Contingencies [Line Items]
Number of patents allegedly infringed upon	3