Leases (Tables)

12 Months Ended

Dec. 31, 2019

Dec. 31, 2018

Leases [Abstract]

Contractual Obligation, Fiscal Year Maturity [Table Text Block]

The following is a summary of the Company's purchase obligations as of December 31, 2019, excluding lease liabilities (see Note 3 – Leases) and other current liabilities that are included in the consolidated balance sheet (in millions):

	Purchase Obligations
2020	$	13.4
2021	11.6
2022	11.3
2023	4.4
2024	—
Thereafter	—
Total	$	40.7

As previously disclosed in the Company's 2018 Annual Report on Form 10-K under the previous lease accounting standard, minimum rental commitments under non-cancelable operating leases in effect at December 31, 2018 were (in millions):

	Operating Leases		Related Party Leases		Total
2019	$	29.6	$	1.3	$	30.9
2020	24.1		1.3		25.4
2021	19.8		1.4		21.2
2022	14.2		1.4		15.6
2023	8.9		1.4		10.3
Thereafter	6.3		1.1		7.4
Total	$	102.9	$	7.9	$	110.8

Lease, Cost [Table Text Block]

Components of lease expense for the year ended December 31, 2019 were as follows (in millions):

Operating lease expense	$	32.1
Short-term lease expense	2.1
Variable lease expense	5.8
Total lease expense	$	40.0

Cash Flow, Supplemental Disclosures [Text Block]

Supplemental cash flow information related to leases for December 31, 2019 (in millions):

Cash paid for operating lease liabilities	$	32.1
Operating lease ROU assets obtained in exchange for new operating lease liabilities	$	30.0
Weighted-average remaining lease term of operating leases	4.2 years
Weighted-average discount rate of operating leases	4.26		%

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

Maturities of operating lease liabilities at December 31, 2019 (in millions):

2020	$	29.5
2021	28.1
2022	22.1
2023	16.1
2024	9.3
Thereafter	5.6
Total future minimum lease payments	110.7
Less imputed interest	9.2
Total operating lease liabilities	$	101.5