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Financial Statement Details - Accrued Warranty (Detail) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Movement in Standard Product Warranty Accrual [Roll Forward]    
Beginning balance $ 3.3 $ 1.3
Charges to costs and expenses 6.2 1.2
Costs incurred (3.8) (1.4)
Ending balance $ 5.7 $ 1.1