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Leases - Components of Lease Costs (Details) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($)
Leases [Abstract]
Operating lease cost	$ 72.9
Finance lease cost:
Amortization of right-of-use assets	30.3
Interest on lease liabilities	29.5
Total finance lease cost	59.8
Variable lease cost	1.5
Sublease income	(3.2)
Total lease cost	$ 131.0

X

- Definition

Amount of short-term lease cost, excluding expense for lease with term of one month or less, plus the amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.

+ References

No definition available.

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X

- Definition

Amount of finance lease cost recognized by lessee for lease contract.

+ References

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X

- Definition

Amount of interest expense on finance lease liability.

+ References

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-SubTopic 20
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- Definition

Amount of amortization expense attributable to right-of-use asset from finance lease.

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- Definition

Amount of lease cost recognized by lessee for lease contract.

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- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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- Definition

Amount of sublease income excluding finance and operating lease expense.

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