Income Taxes (Tables)

12 Months Ended

Dec. 31, 2016

Income Tax Disclosure [Abstract]

Schedule of Unrecognized Tax Benefits Roll Forward

Our uncertain tax benefits, and changes thereto, during 2016, 2015, and 2014 were as follows: 

	2016			2015			2014
Balance at January 1,	$	2,247		$	3,104		$	3,419
Additions based on tax positions related to current year	397			464			490
Additions based on tax positions of prior years	—			—			—
Reductions for tax positions of prior years	(889		)	(252		)	(477		)
Settlements	—			(1,069		)	(328		)
Balance at December 31,	$	1,755		$	2,247		$	3,104

Schedule of Effective Income Tax Rate Reconciliation

A reconciliation between the “statutory” federal income tax rate and the effective tax rate in the consolidated statements of income is as follows: 

	For the Years Ended December 31,
	2016		2015		2014
“Statutory” federal tax rate	35.0	%	35.0	%	35.0	%
State and local income taxes, net of federal benefit	3.3		3.8		3.5
Other, net	0.9		1.2		1.8
Effective tax rate	39.2	%	40.0	%	40.3	%

Schedule of Income before Income Tax, Domestic and Foreign

The components of income before taxes and the provision for income taxes recorded in the consolidated statements of income are as follows: 

	For the Years Ended December 31,
Components of Income before Taxes	2016		2015		2014
Domestic	$	143,567	$	143,144	$	136,656
Foreign	9,932		9,197		10,155
Income before taxes	$	153,499	$	152,341	$	146,811

Schedule of Components of Income Tax Expense Benefit

	For the Years Ended December 31,
Components of Income Tax Provision	2016			2015			2014
Current expense
U.S. Federal	$	33,030		$	46,174		$	44,713
State	4,821			7,996			7,266
Foreign	2,795			2,666			3,058
Total current expense	$	40,646		$	56,836		$	55,037
Deferred expense (benefit)
U.S. Federal	16,676			3,224			4,049
State	3,008			958			47
Foreign	(144		)	(9		)	(8		)
Total deferred expense (benefit)	$	19,540		$	4,173		$	4,088
Total income tax provision	$	60,186		$	61,009		$	59,125

Schedule of Deferred Tax Assets and Liabilities

The following deferred tax assets (liabilities) were recorded at December 31: 

Assets (Liabilities)	2016			2015
Postretirement benefits	$	29,788		$	29,184
Payroll accruals	2,618			2,995
Bad debt reserves	1,322			1,653
Other deferred tax assets	5,251			5,583
Pension	47,847			64,500
Inventory	11,336			7,173
Subtotal	98,162			111,088
Less: valuation allowances	(136		)	(402		)
Deferred tax assets	98,026			110,686
Fixed assets	(40,887		)	(40,086		)
Computer software	(5,724		)	(6,412		)
Other deferred tax liabilities	(3,043		)	(2,438		)
Deferred tax liabilities	(49,654		)	(48,936		)
Net deferred tax assets	$	48,372		$	61,750

Deferred income taxes included in non-current assets (liabilities) at December 31 were: 

	2016			2015
Deferred tax assets included in other non-current assets	$	48,666		$	62,047
Deferred tax liabilities included in other non-current liabilities	(294		)	(297		)

Summary of Operating Loss Carryforwards

Operating loss carryforwards included in net deferred tax assets at December 31 were:

	2016		2015
Foreign net operating losses(1)	$	239	$	349
State net operating losses(2)	529		563

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