Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015
Revenues:
System sales	$ 1,265,962	$ 1,281,890	$ 945,858
Support, maintenance and services	3,441,966	3,070,575	2,366,959
Reimbursed travel	88,545	72,802	89,886
Total revenues	4,796,473	4,425,267	3,402,703
Costs and expenses:
Cost of system sales	412,066	430,335	314,089
Cost of support, maintenance and services	278,505	247,644	200,402
Cost of reimbursed travel	88,545	72,802	89,886
Sales and client service	2,071,926	1,838,600	1,395,568
Software development (Includes amortization of $140,232, $119,195 and $103,447, respectively)	551,418	539,799	392,805
General and administrative	392,454	423,424	233,393
Amortization of acquisition-related intangibles	90,546	91,527	13,476
Total costs and expenses	3,885,460	3,644,131	2,639,619
Operating earnings	911,013	781,136	763,084
Other income, net	7,421	244	11,090
Earnings before income taxes	918,434	781,380	774,174
Income taxes	(281,950)	(242,018)	(248,741)
Net earnings	$ 636,484	$ 539,362	$ 525,433
Basic earnings per share	$ 1.88	$ 1.57	$ 1.54
Diluted earnings per share	$ 1.85	$ 1.54	$ 1.50
Basic weighted average shares outstanding	337,740	343,178	342,150
Diluted weighted average shares outstanding	343,653	350,908	350,386