Fair Value (Tables)

12 Months Ended

Dec. 31, 2019

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

The following tables present the fair value hierarchy for those assets and liabilities on the Consolidated Balance Sheets measured at fair value on a recurring basis as of December 31, 2019 and 2018:



	December 31, 2019
	Total		Level 1		Level 2		Level 3
Assets:
Cash and cash equivalents	$	160.7	$	158.2	$	2.5	$	—
Cash and cash equivalents measured at net asset value	48.8
Restricted cash	6.7		6.7		—		—
Short-term investments	25.7		—		25.7		—
Short-term investments measured at net asset value	0.1
Foreign currency hedges	7.6		—		7.6		—
Total Assets	$	249.6	$	164.9	$	35.8	$	—

Liabilities:
Foreign currency hedges	$	1.4	$	—	$	1.4	$	—
Total Liabilities	$	1.4	$	—	$	1.4	$	—



	December 31, 2018
	Total		Level 1		Level 2		Level 3
Assets:
Cash and cash equivalents	$	105.9	$	104.4	$	1.5	$	—
Cash and cash equivalents measured at net asset value	26.6
Restricted cash	0.6		0.6		—		—
Short-term investments	21.8		—		21.8		—
Short-term investments measured at net asset value	—
Foreign currency hedges	4.6		—		4.6		—
Total Assets	$	159.5	$	105.0	$	27.9	$	—

Liabilities:
Foreign currency hedges	$	0.7	$	—	$	0.7	$	—
Total Liabilities	$	0.7	$	—	$	0.7	$	—