Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2018

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value on Recurring Basis

Assets and liabilities measured at fair value on a recurring basis are summarized as follows:

	Fair Value Measurements as of
	September 30, 2018
	Total		Level 1		Level 2		Level 3
			(in millions)
Assets
Time deposits	$	33.9	$	33.9	$	—	$	—
Deferred compensation assets	8.5		8.5		—		—
	$	42.4	$	42.4	$	—	$	—
Liabilities
Deferred compensation liabilities	$	8.8	$	8.8	$	—	$	—
Foreign currency derivatives	2.3		—		2.3		—
	$	11.1	$	8.8	$	2.3	$	—

	Fair Value Measurements as of
	December 31, 2017
	Total		Level 1		Level 2		Level 3
			(in millions)
Assets
Deferred compensation assets	$	7.8	$	7.8	$	—	$	—
Liabilities
Deferred compensation liabilities	$	8.9	$	8.9	$	—	$	—

Schedule of Carrying Value of Financial Instruments

The carrying values of our significant financial instruments reflected in the Consolidated Balance Sheets approximated their respective fair values except for the following instruments:

	September 30, 2018				December 31, 2017
	Carrying Value		Fair Value		Carrying Value		Fair Value
	(in millions)
Long-term debt	$	480.3	$	495.1	$	618.5	$	645.6