v3.7.0.1
Product Warranties (Changes In Product Warranty Liability) (Detail)
$ in Millions
6 Months Ended
Jun. 30, 2017
USD ($)
Movement in Standard Product Warranty Accrual [Roll Forward]  
Balance as of fiscal year end 2016 $ 17.2
Acquired warranties 0.2
Accruals for warranties issued 9.0
Changes in estimates (0.3)
Warranty settlements (in cash or in kind) (8.6)
Balance as of the end of the second quarter of fiscal 2017 $ 17.5