Acquisition - Summary of Preliminary Estimated Fair Value of Intangible Assets Acquired and the Related Estimated Useful Lives (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2017	Dec. 31, 2016	Aug. 31, 2016
STP
Business Acquisition [Line Items]
Customer relationships and other identifiable intangible assets			$ 584,274
STP | Customer relationships and other identifiable intangible assets
Business Acquisition [Line Items]
Customer relationships and other identifiable intangible assets			349,310
STP | Customer relationships and other identifiable intangible assets | Minimum
Business Acquisition [Line Items]
Useful Lives	8 years 6 months
STP | Customer relationships and other identifiable intangible assets | Maximum
Business Acquisition [Line Items]
Useful Lives	17 years
STP | Technology
Business Acquisition [Line Items]
Useful Lives	6 years
Customer relationships and other identifiable intangible assets			45,417
Other
Business Acquisition [Line Items]
Customer relationships and other identifiable intangible assets		$ 61,823
Other | Customer relationships and other identifiable intangible assets
Business Acquisition [Line Items]
Customer relationships and other identifiable intangible assets		$ 61,823
Other | Customer relationships and other identifiable intangible assets | Minimum
Business Acquisition [Line Items]
Useful Lives		10 years
Other | Customer relationships and other identifiable intangible assets | Maximum
Business Acquisition [Line Items]
Useful Lives		18 years
Trade names and trademarks—indefinite lived | STP
Business Acquisition [Line Items]
Trade names and trademarks - indefinite			$ 189,547