Leases (Tables)

12 Months Ended

Dec. 31, 2019

Dec. 31, 2018

Leases [Abstract]

Schedule of Lease Assets and Liabilities [Table Text Block]

Other information related to cash paid related to lease liabilities and lease assets obtained for the year ended December 31, 2019 was as follows:

	Year Ended
	December 31,
Other Information	2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from finance leases	$	—
Operating cash flows from operating leases	22.7
Financing cash flows from finance leases	0.3
Lease assets obtained in exchange for new finance lease liabilities	0.1
Lease assets obtained in exchange for new operating lease liabilities	26.4

The lease assets and liabilities as of December 31, 2019 are as follows:

		December 31,
Leases	Classification	2019
Assets
Operating lease assets	Operating Lease Assets	$	46.6
Finance lease assets	Property, Plant and Equipment(a)	0.3
Total leased assets		$	46.9
Liabilities
Current:
Operating	Other Current Liabilities	$	16.7
Finance	Current Portion of Long-term Debt	0.2
Noncurrent:
Operating	Long-term Operating Lease Liabilities	30.3
Finance	Long-term Debt	—
Total lease liabilities		$	47.2

^(a)    Finance lease assets are recorded net of accumulated amortization of $0.5 million as of December 31, 2019.

Schedule of Lease Cost and Terms [Table Text Block]

The lease term and discount rate as of December 31, 2019 were as follows:

	December 31,
Lease Term and Discount Rate	2019
Weighted-average remaining lease term (years):
Operating leases	3.7
Finance leases	1.5
Weighted-average discount rate:
Operating leases	3.7	%
Finance leases	2.5	%

The lease cost for the years ended December 31, 2019 and 2018 was as follows:

	Years Ended
	December 31
Lease Cost	2019			2018
Operating lease cost	$	27.5	(a)	$	23.3
Finance lease cost(b)	0.3			0.4
Total lease cost	$	27.8		$	23.7

^(a)   Includes short-term lease costs of $3.1 million for the year ended December 31, 2019, and variable lease costs of $2.4 million for the year ended December 31, 2019.

^(b)     Includes amortization of leased assets and interest on lease liabilities.

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

The maturity of lease liabilities as of December 31, 2019 was as follows:

Maturity of Lease Liabilities	Operating Leases			Finance Leases		Total
2020	$	18.0		$	0.2	$	18.2
2021	13.2			—		13.2
2022	8.4			—		8.4
2023	5.5			—		5.5
2024	3.2			—		3.2
Thereafter	2.2			—		2.2
Total lease payments	$	50.5		$	0.2	$	50.7
Less: Interest	(3.5		)	—		(3.5		)
Present value of lease liabilities	$	47.0		$	0.2	$	47.2

Finance Lease, Liability, Maturity [Table Text Block]

The maturity of lease liabilities as of December 31, 2019 was as follows:

Maturity of Lease Liabilities	Operating Leases			Finance Leases		Total
2020	$	18.0		$	0.2	$	18.2
2021	13.2			—		13.2
2022	8.4			—		8.4
2023	5.5			—		5.5
2024	3.2			—		3.2
Thereafter	2.2			—		2.2
Total lease payments	$	50.5		$	0.2	$	50.7
Less: Interest	(3.5		)	—		(3.5		)
Present value of lease liabilities	$	47.0		$	0.2	$	47.2

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

The minimum rentals for aggregate lease commitments as of December 31, 2018 were as follows:

2019	$	15.2
2020	9.0
2021	5.5
2022	3.6
2023	2.6
Thereafter	4.2
Total	$	40.1