Property and Equipment - Narrative (Details) - USD ($) $ in Millions |
7 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2015 |
Feb. 01, 2015 |
Jun. 30, 2017 |
Jun. 30, 2016 |
|
| Property, Plant and Equipment [Line Items] | ||||
| Depreciation and amortization | $ 30.2 | $ 81.8 | $ 76.0 | |
| Depreciation and Amortization [Member] | ||||
| Property, Plant and Equipment [Line Items] | ||||
| Depreciation and amortization | 3.8 | 8.2 | 8.8 | |
| Cost of Product Revenue [Member] | ||||
| Property, Plant and Equipment [Line Items] | ||||
| Depreciation and amortization | $ 0.7 | $ 3.7 | $ 3.2 | |
| Predecessor [Member] | ||||
| Property, Plant and Equipment [Line Items] | ||||
| Depreciation and amortization | $ 22.4 | |||
| Predecessor [Member] | Depreciation and Amortization [Member] | ||||
| Property, Plant and Equipment [Line Items] | ||||
| Depreciation and amortization | 4.1 | |||
| Predecessor [Member] | Cost of Product Revenue [Member] | ||||
| Property, Plant and Equipment [Line Items] | ||||
| Depreciation and amortization | $ 0.5 | |||