Income and Other Taxes (Tables)

12 Months Ended

Dec. 31, 2016

Income Tax Disclosure [Abstract]

Schedule of Components of Provision for Income Taxes

Components of the provision for income taxes are as follows:

	Years Ended December 31,
(in millions)	2016			2015			2014
Current provision:
Federal	$	22.0		$	46.1		$	13.2
State and local	2.6			3.8			2.0
Foreign	—			0.4			0.1
	24.6			50.3			15.3
Deferred:
Federal	34.4			(1.8		)	19.7
State and local	1.6			—			—
Foreign	(0.6		)	(1.6		)	(4.9		)
	35.4			(3.4		)	14.8
	$	60.0		$	46.9		$	30.1

Schedule of Income from Operations Before Provision for Income Taxes

Income from operations before provision for income taxes were as follows:

	Years Ended December 31,
(in millions)	2016			2015			2014
Domestic	$	168.7		$	114.4		$	76.0
Foreign	(0.6		)	(2.3		)	0.5
	$	168.1		$	112.1		$	76.5

Reconciliation of Amount Computed by Applying the Federal Statutory Income Tax Rate

Our income tax expense is different from the amount computed by applying the federal statutory income tax rate to income before taxes as follows:

	Years Ended December 31,
(in millions)	2016			2015			2014
Federal statutory tax on earnings before income taxes	$	58.8		$	39.2		$	26.8
State income taxes, net of federal income tax benefit	3.5			1.8			1.4
Non-deductible expense	3.3			2.6			1.0
Non-deductible acquisition-related charges	1.7			6.6			1.3
Manufacturing deduction	—			(2.0		)	—
Valuation allowance	(0.2		)	—			—
Windfall deduction from equity compensation	(4.9		)	—			—
Other	(2.2		)	(1.3		)	(0.4		)
	$	60.0		$	46.9		$	30.1

Schedule of Components Deferred Tax Assets and Liabilities

Components of our deferred tax assets and liabilities are as follows:

	As of December 31,
(in millions)	2016			2015
Deferred tax assets:
Deferred compensation plans	$	13.3		$	34.1
Deferred income	6.3			14.3
Allowance for uncollectible receivables	1.2			1.3
Deferred liabilities	3.7			1.9
Net operating losses and credit carryforward	9.4			11.7
Deferred tax assets	33.9			63.3
Valuation allowance	(0.5		)	(1.1		)
Net deferred tax asset	33.4			62.2
Deferred tax liabilities:
Intangible assets in excess of tax basis	135.0			143.0
Property and equipment in excess of tax basis	35.3			31.2
Other	16.2			15.9
Deferred tax liabilities	186.5			190.1
Net deferred tax liability	$	(153.1	)	$	(127.9	)

Reconciliation of Unrecognized Tax Benefits

A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows:

(in millions)	2016			2015			2014
Balance as of January 1	$	2.5		$	2.9		$	0.6
Additions for tax positions related to the current year	0.7			0.3			0.5
Additions for tax positions of prior years	0.1			0.3			2.1
Reductions for tax positions of prior years	(0.2		)	(1.0		)	(0.3		)
Balance as of December 31	$	3.1		$	2.5		$	2.9