Net Sales and Long-Lived Assets by Geographic Region (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Revenues From External Customers And Long Lived Assets [Line Items]
Net sales	$ 11,603.4		$ 10,480.3		$ 10,221.9
Long-lived assets	2,135.7	[1]	1,924.4	[1]	2,466.0	[1]
U.S.
Revenues From External Customers And Long Lived Assets [Line Items]
Net sales	8,974.2		7,866.2		7,719.9
Long-lived assets	1,671.1	[1]	1,435.7	[1]	1,915.4	[1]
Europe
Revenues From External Customers And Long Lived Assets [Line Items]
Net sales	983.1		975.2		1,025.8
Long-lived assets	154.0	[1]	160.7	[1]	181.4	[1]
Asia
Revenues From External Customers And Long Lived Assets [Line Items]
Net sales	860.1		841.5		733.0
Long-lived assets	129.0	[1]	152.2	[1]	167.7	[1]
Other
Revenues From External Customers And Long Lived Assets [Line Items]
Net sales	786.0		797.4		743.2
Long-lived assets	$ 181.6	[1]	$ 175.8	[1]	$ 201.5	[1]

[1] Includes net property, plant and equipment, noncurrent deferred tax assets and other noncurrent assets.