Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 01, 2016	Oct. 03, 2015	Oct. 01, 2016	Oct. 03, 2015
Revenues:
System sales	$ 301,252	$ 325,084	$ 913,710	$ 899,762
Support, maintenance and services	861,085	783,878	2,561,474	2,295,075
Reimbursed travel	22,220	18,925	63,470	55,136
Total revenues	1,184,557	1,127,887	3,538,654	3,249,973
Costs and expenses:
Cost of system sales	93,275	105,760	296,336	309,761
Cost of support, maintenance and services	67,475	65,898	204,313	186,668
Cost of reimbursed travel	22,220	18,925	63,470	55,136
Sales and client service	512,671	465,881	1,534,763	1,349,498
Software development (Includes amortization of $35,552 and $102,429 for the three and nine months ended October 1, 2016; and $29,743 and $88,450 for the three and nine months ended October 3, 2015)	136,755	132,814	405,451	398,536
General and administrative	87,071	98,705	267,232	329,061
Amortization of acquisition-related intangibles	22,865	24,550	68,104	67,311
Total costs and expenses	942,332	912,533	2,839,669	2,695,971
Operating earnings	242,225	215,354	698,985	554,002
Other income (expense), net	(417)	317	3,734	(554)
Earnings before income taxes	241,808	215,671	702,719	553,448
Income taxes	(71,829)	(68,389)	(215,926)	(180,194)
Net earnings	$ 169,979	$ 147,282	$ 486,793	$ 373,254
Basic earnings per share	$ 0.50	$ 0.43	$ 1.44	$ 1.09
Diluted earnings per share	$ 0.49	$ 0.42	$ 1.41	$ 1.06
Basic weighted average shares outstanding	338,684	344,040	338,675	343,933
Diluted weighted average shares outstanding	344,817	351,364	344,917	351,891