Goodwill and Identifiable Intangible Assets - Additional Information (Details) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2016 USD ($) Acquisition	Sep. 30, 2016 USD ($) installment Acquisition
Business Acquisition [Line Items]
Number of business acquisitions | Acquisition	3	3,000,000
Percentage of voting interests acquired	51.00%	51.00%
Number of installments | installment		2
Noncontrolling interest, fair value	$ 51.3	$ 51.3
Assets acquired	156.6	156.6
Revenue of acquiree since acquisition date	$ 21.4	21.4
Finite-lived intangible assets acquired		96.8
Technology-Based Intangible Assets [Member]
Business Acquisition [Line Items]
Finite-lived intangible assets acquired		17.7
Trademarks [Member]
Business Acquisition [Line Items]
Finite-lived intangible assets acquired		9.3
Customer Relationships [Member]
Business Acquisition [Line Items]
Finite-lived intangible assets acquired		69.3
Noncompete Agreements [Member]
Business Acquisition [Line Items]
Finite-lived intangible assets acquired		$ 0.5