Basis of Presentation and Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2018

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Summary of Estimated Useful Lives Property and Equipment

Depreciation and amortization are provided on a straight-line basis over the following estimated useful lives:

Buildings	25 to 40 years
Furniture and fixtures	5 to 10 years
Capitalized software	2 to 7 years
Equipment	3 to 7 years

Summary of Impact of Adopting New Accounting Standards on Consolidated Financial Statements

The cumulative effect of the changes made to our consolidated January 1, 2018 balance sheet was as follows (in thousands):  

	Balance at		Adjustments		Balance at
	December 31,		due to		January 1,
Balance Sheet	2017		Topic 606		2018
ASSETS
Accounts receivable, net	$	188,300	$	10,098	$	198,398
Other current assets		259,873		80		259,953
Other non-current assets		728,058		728		728,786
Total assets	$	1,176,231	$	10,906	$	1,187,137
LIABILITIES
Accounts payable		51,375		6,281		57,656
Accrued personnel costs		45,264		595		45,859
Other current liabilities		237,607		113		237,720
Deferred income taxes, net		3,339		814		4,153
Other non-current liabilities		307,767		1,012		308,779
Total liabilities		645,352		8,815		654,167
STOCKHOLDERS' EQUITY
Retained earnings		345,302		2,091		347,393
Other stockholders' equity		185,577		—		185,577
Total stockholders' equity		530,879		2,091		532,970
Total liabilities and stockholders' equity	$	1,176,231	$	10,906	$	1,187,137

The following tables summarize the impact of adopting Topic 606 on our consolidated financial statements for the periods indicated below (in thousands):

						Balances without
December 31, 2018 Balance Sheet	As reported		Adjustments			adoption of Topic 606
ASSETS
Accounts receivable, net	$	207,287	$	(12,671	)	$	194,616
Other current assets		216,251		(80	)		216,171
Other non-current assets		759,493		(647	)		758,846
Total assets	$	1,183,031	$	(13,398	)	$	1,169,633
LIABILITIES
Accounts payable	$	58,630	$	(7,930	)	$	50,700
Accrued personnel costs		63,953		(587	)		63,366
Other current liabilities		198,731		(113	)		198,618
Deferred income taxes, net		6,764		(1,035	)		5,729
Other non-current liabilities		261,290		(897	)		260,393
Total liabilities		589,368		(10,562	)		578,806
STOCKHOLDERS' EQUITY
Retained earnings		408,963		(2,836	)		406,127
Other stockholders' equity		184,700		—			184,700
Total shareholders' equity		593,663		(2,836	)		590,827
Total liabilities and stockholders' equity	$	1,183,031	$	(13,398	)	$	1,169,633

							Balances without
Year Ended December 31, 2018 Income Statement	As reported			Adjustments			adoption of Topic 606
Revenue	$	922,003		$	(1,039	)	$	920,964
Operating expenses		790,283			(73	)		790,210
Gross margin		131,720			(966	)		130,754
Corporate general and administrative expenses		39,173			—			39,173
Operating income		92,547			(966	)		91,581
Other (expense) income:
Interest expense		(6,645	)		—			(6,645	)
Gain on sale of operations, net		1,025			—			1,025
Other expense, net		(7,087	)		—			(7,087	)
Total other expense, net		(12,707	)		—			(12,707	)
Income from continuing operations before income tax expense		79,840			(966	)		78,874
Income tax expense		18,267			(221	)		18,046
Income from continuing operations		61,573			(745	)		60,828
Loss from discontinued operations, net of tax		(3	)		—			(3	)
Net income	$	61,570		$	(745	)	$	60,825

							Balances without
Year Ended December 31, 2018 Cash Flow Statement	As reported			Adjustments			adoption of Topic 606
Cash flows from operating activities:
Net income	$	61,570		$	(745	)	$	60,825
Adjustments to reconcile net income to net cash provided by    operating activities:		38,713			—			38,713
Changes in assets and liabilities, net of acquisitions and    divestitures:
Accounts receivable, net		(10,668	)		2,573			(8,095	)
Other assets		(3,344	)		(81	)		(3,425	)
Accounts payable		974			(1,649	)		(675	)
Accrued personnel costs		17,901			8			17,909
Other liabilities		(140	)		(106	)		(246	)
Other		426			—			426
Operating cash flows provide by continuing operations		105,432			—			105,432
Operating cash flows used in discontinued operations		(184	)		—			(184	)
Net cash provided by operating activities		105,248			—			105,248
Net provided by investing activities		(47,576	)		—			(47,576	)
Net cash used in financing activities		(109,380	)		—			(109,380	)
Net increase in cash, cash equivalents and restricted cash		(51,708	)		—			(51,708	)
Cash, cash equivalents and restricted cash at beginning of    year		182,262			—			182,262
Cash, cash equivalents and restricted cash at end of period	$	130,554		$	—		$	130,554