Segments - Information on Segments and Reconciliation to Earnings Before Income Taxes from Continuing Operations (Footnote) (Details) - USD ($) $ in Thousands |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2016 |
Oct. 15, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Segment Reporting Information [Line Items] | ||||
| Progressive-Related Transaction Costs | $ 0 | $ 0 | $ 6,638 | |
| Sales and Lease Ownership | Operating Segments | ||||
| Segment Reporting Information [Line Items] | ||||
| Loss related to lease termination | 3,500 | |||
| Progressive | Operating Segments | ||||
| Segment Reporting Information [Line Items] | ||||
| Progressive-Related Transaction Costs | $ 3,700 | |||
| Manufacturing | Operating Segments | ||||
| Segment Reporting Information [Line Items] | ||||
| Inventory, including raw materials and work-in-process | $ 14,300 | $ 19,400 | $ 13,200 | |