Accrued Liabilities (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Schedule of Accrued Liabilities [Line Items]
Accrued salaries, vacation and related benefits	$ 103.2	$ 93.8
Accrued product warranties	67.0	63.2	51.5	38.0
Accrued interest	28.2	28.2
Income taxes payable	28.7	29.5
Deferred revenue	152.9	118.2
Other accrued liabilities	141.2	141.3
Accrued liabilities	$ 521.2	$ 474.2