Consolidated Balance Sheets - USD ($) $ in Thousands	Apr. 01, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 378,452	$ 170,861
Short-term investments	153,458	185,588
Receivables, net	986,354	944,943
Inventory	19,013	14,740
Prepaid expenses and other	288,833	303,229
Total current assets	1,826,110	1,619,361
Property and equipment, net	1,569,023	1,552,524
Software development costs, net	751,705	719,209
Goodwill	845,842	844,200
Intangible assets, net	542,715	566,047
Long-term investments	77,206	109,374
Other assets	190,607	219,248
Total assets	5,803,208	5,629,963
Current liabilities:
Accounts payable	207,001	238,134
Current installments of long-term debt and capital lease obligations	17,398	26,197
Deferred revenue	338,074	311,839
Accrued payroll and tax withholdings	208,467	211,554
Other accrued expenses	62,599	57,677
Total current liabilities	833,539	845,401
Long-term debt and capital lease obligations	532,747	537,552
Deferred income taxes and other liabilities	311,540	306,263
Deferred revenue	12,506	12,800
Total liabilities	1,690,332	1,702,016
Shareholders' Equity:
Common stock, $.01 par value, 500,000,000 shares authorized, 354,442,293 shares issued at April 1, 2017 and 353,731,237 shares issued at December 31, 2016	3,545	3,537
Additional paid-in capital	1,254,544	1,230,913
Retained earnings	4,245,101	4,094,327
Treasury stock, 24,089,737 shares at April 1, 2017 and December 31, 2016	(1,290,665)	(1,290,665)
Accumulated other comprehensive loss, net	(99,649)	(110,165)
Total shareholders' equity	4,112,876	3,927,947
Total liabilities and shareholders' equity	$ 5,803,208	$ 5,629,963