Summary of Significant Accounting Policies - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Accounting Policies [Abstract]
Advertising costs	$ 1.1	$ 1.1	$ 1.2
Other shipping and handling costs	$ 11.6	$ 12.7	$ 11.3
Class of Warrant or Right [Line Items]
Maturity of foreign currency exchange contracts	9 months
Common Stock Purchase Warrant
Class of Warrant or Right [Line Items]
Dividend yield	0.00%