Valuation and Qualifying Accounts (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Allowance for Doubtful Accounts
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance At Beginning Of Period	$ 12.1	$ 8.2	$ 7.4
Expenses	1.3	4.8	1.9
Other	0.4	1.0
Write- Offs/ Disposals	3.4	1.9	1.1
Balance At End Of Period	10.4	12.1	8.2
Reserve for Obsolete Inventories
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance At Beginning Of Period	63.5	49.8	45.3
Expenses	11.2	20.7	15.9
Write- Offs/ Disposals	10.3	7.0	11.4
Balance At End Of Period	64.4	63.5	49.8
Deferred tax asset valuation allowance
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance At Beginning Of Period	26.5	20.1	14.4
Other	4.6	6.4	5.7
Balance At End Of Period	$ 31.1	$ 26.5	$ 20.1