Fair Value Measurements (Fair Value of Assets and Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Assets:
Deferred compensation assets	$ 11.3	$ 8.7
Foreign currency contracts	7.7	6.5
Commodity call options	0.1
Total assets at fair value	19.1	15.2
Liabilities:
Contingent consideration	3.3	1.7
Deferred compensation liabilities	12.8	9.8
Foreign currency contracts	0.3	0.2
Total liabilities at fair value	17.8	11.7
Currency Swap
Liabilities:
Foreign currency contracts	1.4
Level 1 [Member]
Assets:
Deferred compensation assets	11.3	8.7
Total assets at fair value	11.3	8.7
Liabilities:
Deferred compensation liabilities	12.8	9.8
Total liabilities at fair value	12.8	9.8
Level 2 [Member]
Assets:
Foreign currency contracts	7.7	6.5
Commodity call options	0.1
Total assets at fair value	7.8	6.5
Liabilities:
Foreign currency contracts	0.3	0.2
Total liabilities at fair value	1.7	0.2
Level 2 [Member] | Currency Swap
Liabilities:
Foreign currency contracts	1.4
Level 3 [Member]
Liabilities:
Contingent consideration	3.3	1.7
Total liabilities at fair value	$ 3.3	$ 1.7