Lease Obligations (Narrative) (Details) - USD ($) $ in Millions |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Jan. 01, 2019 |
---|---|---|---|---|
New Accounting Pronouncements or Change in Accounting Principle [Line Items] | ||||
Operating lease right-of-use assets | $ 192.6 | $ 161.6 | ||
Lease Liability | 197.5 | $ 164.5 | ||
Operating leases not yet commenced | 7.3 | |||
Finance lease, not yet commenced | $ 0.8 | |||
Lease term, operating leases not yet commenced | 6 years | |||
Lease term, finance leases not yet commenced | 7 years | |||
ECS | ||||
New Accounting Pronouncements or Change in Accounting Principle [Line Items] | ||||
Operating lease right-of-use assets | $ 24.0 | |||
Lease Liability | 21.6 | |||
Favorable lease position | $ 2.4 | |||
Accounting Standards Update 2018-11 | ||||
New Accounting Pronouncements or Change in Accounting Principle [Line Items] | ||||
Operating lease right-of-use assets | $ 135.9 | |||
Lease Liability | $ 135.8 |