Inventory, net - Narrative (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Inventory Disclosure [Abstract] | |||
| Inventory write-downs and reserves | $ 0.8 | $ 15.6 | $ 3.2 |
| Inventory reserves | $ 12.9 | 14.5 | |
| Restructuring and other charges related to inventory | $ 8.7 | ||