Subsequent Event - Additional Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended			1 Months Ended	0 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Jan. 31, 2015	Jan. 02, 2015	Feb. 20, 2015
Subsequent Event [Line Items]
Stock purchases, shares									6.9
Stock purchases, aggregate cost									$ 478.8	$ 50.1	$ 250.4
Payment for share repurchase									478.8	50.1	250.4
Net Sales	865.5	841.8	808.3	782.0	822.6	804.8	787.6	779.3	3,297.6	3,194.3	2,921.9
Evergreen Program
Subsequent Event [Line Items]
Payment for share repurchase									86.0
Subsequent Event
Subsequent Event [Line Items]
Stock purchases, shares												0.5
Stock purchases, aggregate cost												41.2
Subsequent Event | VI-COR
Subsequent Event [Line Items]
Purchase price													75
Payment after one year if certain operating performance is achieved													5.0
Net Sales													25.0
Subsequent Event | Accelerated Share Repurchase Contract
Subsequent Event [Line Items]
Stock purchases, shares														2.6
Stock repurchase program, authorized amount														215.0
Payment for share repurchase														215.0
Subsequent Event | Evergreen Program
Subsequent Event [Line Items]
Payment for share repurchase														$ 88.0