Fair Value of Assets and Liabilities (Tables)

6 Months Ended

Jun. 30, 2020

Fair Value Disclosures [Abstract]

Summary of Assets and Liabilities Recorded at Fair Market Value

Assets and liabilities subject to fair value measurement are as follows:

		June 30, 2020						December 31, 2019
				Fair Value Measurements Using						Fair Value Measurements Using
	Classification on condensed consolidated Balance Sheets	Fair Value		Level 1		Level 2		Fair Value		Level 1		Level 2
Assets
Short-term investments
Certificates of deposit	Short-term investments	$	9.0	$	9.0	$	—	$	10.0	$	10.0	$	—
Assets held in rabbi trusts	Securities and other investments	5.7		5.7		—		6.2		6.2		—
Foreign exchange forward contracts	Other current assets	4.3		—		4.3		2.9		—		2.9
Interest rate swaps	Other current assets	—		—		—		1.7		—		1.7
Interest rate swaps	Securities and other investments	—		—		—		0.1		—		0.1
Total		$	19.0	$	14.7	$	4.3	$	20.9	$	16.2	$	4.7
Liabilities
Foreign exchange forward contracts	Other current liabilities	$	6.3	$	—	$	6.3	$	2.9	$	—	$	2.9
Interest rate swaps	Other liabilities	12.2		—		12.2		2.3		—		2.3
Deferred compensation	Other liabilities	5.7		5.7		—		6.2		6.2		—
Total		$	24.2	$	5.7	$	18.5	$	11.4	$	6.2	$	5.2

Fair value and carrying value of the Company's debt instruments

The carrying amount of the Company's debt instruments approximates fair value except for the 2024 Senior Notes. The fair value and carrying value of the 2024 Senior Notes are summarized as follows:

	June 30, 2020				December 31, 2019
	Fair Value		Carrying Value		Fair Value		Carrying Value
2024 Senior Notes	$	320.5	$	400.0	$	387.0	$	400.0