Fair Value (Tables)

6 Months Ended

Jun. 30, 2018

Fair Value Disclosures [Abstract]

Assets and liabilities measured at fair value on a recurring basis

The following tables present the fair value hierarchy for those financial assets and liabilities measured at fair value on a recurring basis as of June 30, 2018 and December 31, 2017:

	June 30, 2018
	Total		Level 1		Level 2		Level 3
Assets:
Cash and cash equivalents	$	129.7	$	126.0	$	3.7	$	—
Cash and cash equivalents measured at net asset value	15.5
Restricted cash	1.4		1.4		—		—
Short-term investments	12.9		—		12.9		—
Short-term investments measured at net asset value	0.2
Foreign currency hedges	7.9		—		7.9		—
Total Assets	$	167.6	$	127.4	$	24.5	$	—
Liabilities:
Foreign currency hedges	$	1.6	$	—	$	1.6	$	—
Total Liabilities	$	1.6	$	—	$	1.6	$	—

	December 31, 2017
	Total		Level 1		Level 2		Level 3
Assets:
Cash and cash equivalents	$	108.5	$	107.3	$	1.2	$	—
Cash and cash equivalents measured at net asset value	13.1
Restricted cash	3.8		3.8		—		—
Short-term investments	16.2		—		16.2		—
Short-term investments measured at net asset value	0.2
Foreign currency hedges	1.3		—		1.3		—
Total Assets	$	143.1	$	111.1	$	18.7	$	—
Liabilities:
Foreign currency hedges	$	7.1	$	—	$	7.1	$	—
Total Liabilities	$	7.1	$	—	$	7.1	$	—