Financial Statement Details - Accrued Warranty (Detail) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
|
| Movement in Standard Product Warranty Accrual [Roll Forward] | ||||
| Beginning Balance | $ 7.9 | $ 1.2 | $ 3.3 | $ 1.3 |
| Charges to costs and expenses | 5.2 | 1.9 | 18.7 | 4.9 |
| Costs incurred | (4.8) | (1.8) | (13.7) | (4.9) |
| Ending balance | $ 8.3 | $ 1.3 | $ 8.3 | $ 1.3 |