Components Income Tax Expense (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Current:
Federal	$ 58.9	$ 22.3	$ 1.8
State	6.7	3.0	2.3
Foreign	41.3	24.6	28.5
Current Income Tax Expense (Benefit), Total	106.9	49.9	32.6
Deferred:
Federal	30.0	41.6	52.4
State	2.5	2.2	3.9
Foreign	1.8	6.1	6.3
Total Deferred Income Tax Expense (Benefit), Total	34.3	49.9	62.6
Total income tax expense	$ 141.2	$ 99.8	$ 95.2