Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2017

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value on Recurring Basis

The following tables summarize the bases used to measure financial assets and liabilities that are carried at fair value on a recurring basis in the Condensed Consolidated Balance Sheets:

			Basis of Fair Value Measurement
	Balance as of June 30, 2017		Quoted prices in active markets for identical assets (Level 1)		Significant Other Observable Inputs (Level 2)
Assets
Foreign currency contracts	$	1.8	$	—	$	1.8
Available-for-sale securities		2.3		2.3		—
Total assets	$	4.1	$	2.3	$	1.8
Liabilities
Foreign currency contracts		1.1		—		1.1
Total liabilities	$	1.1	$	—	$	1.1

			Basis of Fair Value Measurement
	Balance as of December 31, 2016		Significant Other Observable Inputs (Level 2)
Assets
Foreign currency contracts	$	1.7	$	1.7
Available-for-sale securities	328.7		328.7
Total assets	$	330.4	$	330.4
Liabilities
Foreign currency contracts	1.5		1.5
Total liabilities	$	1.5	$	1.5