Leases - Lease Maturity (Details) $ in Millions	Dec. 31, 2019 USD ($)
Financing
2020	$ 8.8
2021	9.0
2022	9.2
2023	9.2
2024	9.4
Thereafter	54.6
Operating
2020	25.7
2021	23.0
2022	21.6
2023	20.9
2024	20.3
Thereafter	112.1
Total
2020	34.5
2021	32.0
2022	30.8
2023	30.1
2024	29.7
Thereafter	$ 166.7

Lessee, Lease, Liability, Payments Due [Abstract]

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Amount of lessee's undiscounted obligation for lease payments for finance lease, due after fifth fiscal year following latest fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980

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