Income Taxes (Tables)

12 Months Ended

Dec. 31, 2015

Income Tax Disclosure [Abstract]

Schedule of components income before income taxes

For financial reporting purposes, earnings before income

taxes includes the following components:

	Year Ended December 31,
(millions)	2015		2014		2013
United States	$	21.7	$	23.5	$	21.4
Foreign	3.4		2.4		2.2
Total	$	25.1	$	25.9	$	23.6

Schedule of components of income tax expense (benefit)

The components of income tax expense (benefit) are as follows:

	Year Ended December 31,
(millions)	2015			2014			2013
Current provision
U.S. federal	$	11.5		$	9.5		$	3.2
Foreign	1.2			0.8			0.7
State	1.8			1.6			2.2
Total current	14.5			11.9			6.1
Deferred provision
U.S. federal	(4.9		)	(1.5		)	2.3
Foreign	0.1			0.1			(0.1		)
State	(4.9		)	(10.7		)	0.5
Total deferred	(9.7		)	(12.1		)	2.7
Income tax expense (benefit)	$	4.8		$	(0.2	)	$	8.8

Schedule of significant components of the Company's deferred tax assets and liabilities

Significant components of the Company's deferred tax assets and liabilities are as follows:

	December 31,
(millions)	2015			2014
Deferred tax assets
Net operating loss carry forwards	$	20.6		$	22.0
Accrued expenses	34.1			34.3
Accrued compensation	12.1			12.0
Book over tax cost unfavorable acquired lease contracts	20.6			25.2
Other	0.7			0.4
Total gross deferred tax assets	88.1			93.9
Less: valuation allowance	(6.8		)	(12.3		)
Total deferred tax assets	81.3			81.6
Deferred tax liabilities
Prepaid expenses	(0.4		)	(0.6		)
Undistributed foreign earnings	(1.0		)	(0.8		)
Tax over book depreciation and amortization	(11.0		)	(16.7		)
Tax over book goodwill amortization	(28.7		)	(28.7		)
Tax over book cost favorable acquired lease contracts	(15.6		)	(19.8		)
Equity investments in unconsolidated entities	(8.8		)	(9.2		)
Other	(0.1		)	(0.7		)
Total deferred tax liabilities	(65.6		)	(76.5		)
Net deferred tax asset	$	15.7		$	5.1

Amounts recognized on the balance sheet consist of:

	December 31,
(millions)	2015		2014
Deferred tax asset, current	$	12.3	$	10.9
Other assets, net / Deferred tax (liability)	3.4		(5.8		)
Net deferred tax asset	$	15.7	$	5.1

Schedule of reconciliation of the Company's reported income tax provision (benefit) to the amount computed by multiplying book income/(loss) before income taxes by the statutory United States federal income tax rate

A reconciliation of the Company's reported income tax provision (benefit) to the amount computed by multiplying book income before income taxes by the statutory United States federal income tax rate is as follows:

	Year Ended December 31,
(millions)	2015			2014			2013
Tax at statutory rate	$	8.8		$	9.1		$	8.3
Permanent differences	1.4			1.0			0.8
State taxes, net of federal benefit	0.3			0.8			1.4
Effect of foreign tax rates	(0.1		)	—			—
Minority interest	(1.0		)	(1.1		)	(0.9		)
Equity investments in unconsolidated entities	—			2.4			—
Current year adjustment to deferred taxes	1.5			(1.3		)	4.0
Recognition of tax credits	(1.2		)	(1.5		)	(1.7		)
Other	0.6			(0.5		)	0.9
	10.3			8.9			12.8
Change in valuation allowance	(5.5		)	(9.1		)	(4.0		)
Income tax (benefit) expense	$	4.8		$	(0.2	)	$	8.8

Schedule of tax years that remain subject to examination for the Company's major tax jurisdictions

The tax years that remain subject to examination for the Company's major tax jurisdictions as of December 31, 2015 are shown below:

2011 - 2015	United States—federal income tax
2007 - 2015	United States—state and local income tax
2012 - 2015	Foreign—Canada and Puerto Rico