Income Taxes (Tables)

12 Months Ended

Dec. 31, 2015

Income Taxes

Schedule of provision for income taxes

	2015		2014		2013
	(in thousands)
Current taxes:
Federal	$	142,576		161,863		131,000
State		12,800		14,206		12,197
Foreign		38		35		37
		155,414		176,104		143,234
Deferred taxes		(1,410)		728		(3,001)
Provision for income taxes	$	154,004		176,832		140,233

Schedule of reconciliation of statutory federal income tax rate with effective income tax rate

	2015		2014		2013
Statutory federal income tax rate		35.0%		35.0%		35.0%
State income taxes, net of federal tax benefits		2.0		2.1		2.2
State tax incentives		(0.1)		(0.2)		(0.1)
Valuation allowance on losses capital in nature		0.9		(1.0)		(1.8)
Other items		0.7		0.2		0.4
Effective income tax rate		38.5%		36.1%		35.7%

Schedule of deferred tax liabilities and deferred tax assets

	2015		2014
	(in thousands)
Deferred tax liabilities:
Deferred sales commissions	$	(2,337)		(4,285)
Property and equipment		(9,775)		(10,335)
Benefit plans		(14,058)		(11,452)
Identifiable intangible assets		(13,705)		(12,562)
Prepaid expenses		(2,231)		(2,150)
Total gross deferred liabilities		(42,106)		(40,784)
Deferred tax assets:
Accrued compensation		11,015		9,098
Additional pension and postretirement liability		32,183		28,389
Other accrued expenses		5,851		5,789
Unrealized losses on investment securities and partnerships		7,426		1,043
Capital loss carryforwards		5,919		6,849
Nonvested stock		20,608		20,300
Unused state tax credits		1,470		992
State net operating loss carryforwards		5,666		5,718
Other		3,463		3,572
Total gross deferred assets		93,601		81,750
Valuation allowance		(18,803)		(13,476)
Net deferred tax asset	$	32,692		27,490

Summary of the Company's reconciliation of unrecognized tax benefits, excluding penalties and interest

	2015		2014		2013
	(in thousands)
Balance at January 1	$	8,105		9,013		8,322
Increases during the year:
Gross increases—tax positions in prior period		1,401		433		644
Gross increases—current-period tax positions		700		656		1,355
Decreases during the year:
Gross decreases—tax positions in prior period		(308)		(192)		(71)
Decreases due to settlements with taxing authorities		(486)		(877)		(154)
Decreases due to lapse of statute of limitations		(964)		(928)		(1,083)
Balance at December 31	$	8,448		8,105		9,013