Debt (Tables)

12 Months Ended

Dec. 31, 2017

Debt Instrument [Line Items]

Schedule Of Debt

	December 31, 2017			Weighted Average Interest Rate for 2017			December 31, 2016			Weighted Average Interest Rate for 2016
Term loan A due 2021	$	577.5			3.24	%	$	600.0			3.29	%
Term loan B due 2023		245.6			4.25	%		248.1			4.58	%
Tax exempt bonds due 2041		35.0			0.79	%		35.0			0.45	%
Principal debt outstanding		858.1			3.43	%		883.1			3.54	%
Unamortized debt financing costs		(7.9	)					(9.5	)
Long-term debt		850.2			3.43	%		873.6			3.54	%
Less current portion and short-term debt		32.5			3.32	%		25.0			3.42	%
Total long-term debt, less current portion	$	817.7			3.43	%	$	848.6			3.54	%

Scheduled Payments Of Long-Term Debt

Scheduled payments of long-term debt:

2018	$	32.5
2019		55.0
2020		62.5
2021		437.5
2022		2.5
2023 and later		268.1

Letter of Credit [Member]

Debt Instrument [Line Items]

Schedule Of Letters Of Credit

The following table presents details related to our letters of credit:

	As of December 31, 2017
Financing Arrangement	Limit		Used		Available
Revolving credit facility	$	150.0	$	-	$	150.0
Bi-lateral facility		25.0		17.1		7.9
Accounts receivable securitization facility		29.6		36.2		(6.6	)
Total	$	204.6	$	53.3	$	151.3