Description of the Business and Summary of Significant Accounting Policies - Additional Information (Details) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2017 USD ($) Segment shares	Sep. 30, 2016 USD ($)	Mar. 31, 2016 USD ($) shares	Dec. 31, 2016 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of business segments | Segment	3
Business Acquisition [Line Items]
Unrecognized tax benefit				$ 10.1
Offset of valuation allowance				$ 10.1
Decrease in net cash used in investing activities	$ 79.5		$ 48.2
Accounting Standards Update 2016-18
Business Acquisition [Line Items]
Adjustment to cash, cash equivalents and restricted cash beginning balance			38.1
Adjustment to cash, cash equivalents and restricted cash ending balance			38.7
Decrease in net cash used in investing activities			$ 0.6
Stock Options
Business Acquisition [Line Items]
Anti-dilutive securities (in shares) | shares	3.0		1.8
Restricted Stock Units
Business Acquisition [Line Items]
Anti-dilutive securities (in shares) | shares	5.0		4.6
DEQ Systems Corp.
Business Acquisition [Line Items]
Consideration transferred		$ 22.0