Discontinued Operations and Divestitures - Schedule of Major Classes of Assets and Liabilities Held for Sale (Detail) - USD ($) $ in Millions	Mar. 31, 2017	Dec. 31, 2016
Discontinued Operations and Disposal Groups [Abstract]
Accounts receivable, net	$ 60.8	$ 164.4
Inventories, net	174.3	311.6
Prepaid expenses and other	11.1	24.3
Property, plant and equipment, net	102.2	224.9
Goodwill	42.6	762.5
Other intangible assets	74.6	244.5
Other assets	1.0	13.5
Total Assets	466.6	1,745.7
Accounts payable	30.1	88.2
Accrued compensation	18.6	35.3
Other accrued liabilities	32.1	81.6
Short-term debt and current portion long-term debt		4.3
Other noncurrent liabilities	14.3	131.1
Total Liabilities	$ 95.1	$ 340.5