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Leases (Future Minimum Lease Payments) (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Operating Leases, After Adoption of 842
Year 1	$ 47.6	$ 48.3
Year 2	37.7	40.8
Year 3	28.6	31.5
Year 4	18.9	24.1
Year 5	13.6	16.7
Thereafter	44.5	61.6
Total lease payments	190.9	223.0
Less: imputed interest	(21.5)	(32.1)
Operating lease, liability	169.4	190.9
Finance Leases, After Adoption of 842
Year 1	3.3	4.8
Year 2	1.4	2.7
Year 3	1.1	1.2
Year 4	0.8	0.9
Year 5	0.6	0.6
Thereafter	9.1	8.7
Total lease payments	16.3	18.9
Less: imputed interest	(3.5)	(2.4)
Present value of leased liabilities	$ 12.8	$ 16.5

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-SubTopic 20
-Section 50
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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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