Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents (Note 4)	$ 447,850	$ 289,183
Accounts receivable, net of allowance for doubtful accounts and billing adjustments of $4.8 million and $5.2 million as of 2015 and 2014, respectively	333,467	283,203
Deferred income tax assets	19,860	15,190
Prepaid expenses and other current assets (Note 4)	91,752	98,974
Current assets of discontinued operations (Note 2)	3,395	4,003
Total current assets	896,324	690,553
Goodwill	1,545,888	1,547,397
Computer software, net of accumulated amortization of $661.9 million and $613.3 million as of 2015 and 2014, respectively	354,598	366,148
Other intangible assets, net of accumulated amortization of $238.3 million and $181.9 million as of 2015 and 2014, respectively	348,017	404,107
Property and equipment, net of accumulated depreciation and amortization of $449.5 million and $423.2 million as of 2015 and 2014, respectively	287,098	290,585
Contract acquisition costs, net of accumulated amortization of $304.6 million and $276.1 million as of 2015 and 2014, respectively (Note 4)	252,669	236,305
Equity investments, net	101,127	100,468
Deferred income tax assets, net	5,885	7,002
Other assets	97,916	91,016
Total assets	3,889,522	3,733,581
Current liabilities:
Accounts payable	55,111	48,793
Accrued salaries and employee benefits	43,180	38,001
Current portion of long-term borrowings	38,203	43,784
Current portion of obligations under capital leases	3,574	7,127
Other current liabilities (Note 4)	181,898	154,805
Current liabilities of discontinued operations (Note 2)	3,395	4,003
Total current liabilities	325,361	296,513
Long-term borrowings, excluding current portion	1,373,592	1,398,132
Deferred income tax liabilities, net	189,682	211,820
Obligations under capital leases, excluding current portion	4,335	6,974
Other long-term liabilities	92,385	98,006
Total liabilities	1,985,355	2,011,445
Redeemable noncontrolling interest in consolidated subsidiary	$ 23,001	$ 22,492
Commitments and contingencies (Note 10)
Shareholders' equity:
Common stock - $0.10 par value. Authorized 600,000 shares; 202,770 and 202,775 issued as of 2015 and 2014, respectively; 183,978 and 184,939 outstanding as of 2015 and 2014, respectively	$ 20,277	$ 20,278
Additional paid-in capital	206,715	171,270
Accumulated other comprehensive loss, net (Note 4)	(27,164)	(11,926)
Treasury stock, at cost (18,792 and 17,836 shares as of 2015 and 2014, respectively)	(516,197)	(453,230)
Retained earnings	2,191,984	1,966,370
Total shareholders' equity	1,875,615	1,692,762
Noncontrolling interest in consolidated subsidiary	5,551	6,882
Total equity	1,881,166	1,699,644
Total liabilities and equity	$ 3,889,522	$ 3,733,581