Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Revenues:
System sales	$ 847,809	$ 902,799	$ 706,714
Support, maintenance and services	1,992,830	1,707,329	1,451,747
Reimbursed travel	70,109	55,308	44,692
Total revenues	2,910,748	2,665,436	2,203,153
Costs and expenses:
Cost of system sales	302,374	427,456	296,561
Cost of support, maintenance and services	142,239	125,433	100,419
Cost of reimbursed travel	70,109	55,308	44,692
Sales and client service	1,173,051	1,020,640	869,962
Software development (Includes amortization of $94,688, $81,731 and $79,098, respectively)	338,786	301,370	286,801
General and administrative	308,177	163,567	144,920
Total costs and expenses	2,334,736	2,093,774	1,743,355
Operating earnings	576,012	571,662	459,798
Other income, net	12,042	16,046	9,896
Earnings before income taxes	588,054	587,708	469,694
Income taxes	(189,700)	(190,476)	(163,067)
Net earnings	$ 398,354	$ 397,232	$ 306,627
Basic earnings per share	$ 1.16	$ 1.16	$ 0.91
Diluted earnings per share	$ 1.13	$ 1.13	$ 0.88
Basic weighted average shares outstanding	343,636	341,861	337,267
Diluted weighted average shares outstanding	352,281	351,394	347,734