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