Fair Value Measurements - Assets and Liabilities Recorded at Fair Value (Details) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Assets:
Deferred compensation assets	$ 11.0	$ 11.3
Foreign currency contracts	0.1	7.7
Commodity call options	0.1	0.1
Total assets at fair value	11.2	19.1
Liabilities:
Contingent consideration	3.1	3.3
Deferred compensation liabilities	10.6	12.8
Total liabilities at fair value	23.5	17.8
Cross-currency swap
Liabilities:
Foreign currency contracts	2.2	1.4
Foreign currency contracts
Liabilities:
Foreign currency contracts	7.6	0.3
Level 1
Assets:
Deferred compensation assets	11.0	11.3
Foreign currency contracts	0.0	0.0
Commodity call options	0.0
Total assets at fair value	11.0	11.3
Liabilities:
Contingent consideration	0.0	0.0
Deferred compensation liabilities	10.6	12.8
Total liabilities at fair value	10.6	12.8
Level 1 | Cross-currency swap
Liabilities:
Foreign currency contracts	0.0	0.0
Level 1 | Foreign currency contracts
Liabilities:
Foreign currency contracts	0.0	0.0
Level 2
Assets:
Deferred compensation assets	0.0	0.0
Foreign currency contracts	0.1	7.7
Commodity call options	0.1	0.1
Total assets at fair value	0.2	7.8
Liabilities:
Contingent consideration	0.0	0.0
Deferred compensation liabilities	0.0	0.0
Total liabilities at fair value	9.8	1.7
Level 2 | Cross-currency swap
Liabilities:
Foreign currency contracts	2.2	1.4
Level 2 | Foreign currency contracts
Liabilities:
Foreign currency contracts	7.6	0.3
Level 3
Assets:
Deferred compensation assets	0.0	0.0
Foreign currency contracts	0.0	0.0
Commodity call options	0.0
Total assets at fair value	0.0	0.0
Liabilities:
Contingent consideration	3.1	3.3
Deferred compensation liabilities	0.0	0.0
Total liabilities at fair value	3.1	3.3
Level 3 | Cross-currency swap
Liabilities:
Foreign currency contracts	0.0	0.0
Level 3 | Foreign currency contracts
Liabilities:
Foreign currency contracts	$ 0.0	$ 0.0