Leases - Lease Liability, Maturity Schedule (Details) - USD ($) $ in Millions	Mar. 31, 2019	Jan. 01, 2019
Operating Leases, After Adoption of 842
April 1 to December 31, 2019	$ 36.3
2020	43.6
2021	41.1
2022	30.1
2023	24.9
Thereafter	85.6
Total future lease payments	261.6
Less: Interest	60.8
Present Value of Lease Liabilities	200.8	$ 211.0
Operating Leases, Before Adoption of 842
2019	48.1
2020	42.1
2021	39.5
2022	28.5
2023	23.4
Thereafter	77.9
Total future minimum lease payments	$ 259.5

Amount of lessee's undiscounted obligation for lease payments for operating lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
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Amount of lessee's undiscounted obligation for lease payments for operating lease having an initial or remaining lease term in excess of one year due in remainder of fiscal year following latest fiscal year.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-SubTopic 20
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-Paragraph 6
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