Commitments and Contingencies - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Product Liability Contingency [Line Items]
Guarantor obligations, expiration term	P2Y
Operating leases, rent expense	$ 6.2	$ 8.9	$ 9.6
Performance Guarantee
Product Liability Contingency [Line Items]
Guarantor obligations, maximum exposure, undiscounted	182.5
Financial Guarantee
Product Liability Contingency [Line Items]
Guarantor obligations, maximum exposure, undiscounted	10.5
Customers' Financing Arrangements Guarantee
Product Liability Contingency [Line Items]
Guarantor obligations, maximum exposure, undiscounted	8.0
Guarantor obligations, maximum exposure, undiscounted, net	$ 0.6
Minimum
Product Liability Contingency [Line Items]
Guarantor obligations, amount recoverable from third-parties (as a percent)	95.00%
Maximum
Product Liability Contingency [Line Items]
Guarantor obligations, amount recoverable from third-parties (as a percent)	75.00%