Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 30, 2019	Mar. 31, 2018
Revenues:
Revenues	$ 1,389,877	$ 1,292,861
Costs and expenses:
Costs of revenue	253,204	231,278
Sales and client service	640,187	589,948
Software development (Includes amortization of $56,245 and $50,001, respectively)	180,361	161,617
General and administrative	96,196	92,294
Amortization of acquisition-related intangibles	21,985	22,509
Total costs and expenses	1,191,933	1,097,646
Operating earnings	197,944	195,215
Other income, net	8,432	4,864
Earnings before income taxes	206,376	200,079
Income taxes	(40,157)	(40,078)
Net earnings	$ 166,219	$ 160,001
Basic earnings per share	$ 0.51	$ 0.48
Diluted earnings per share	$ 0.51	$ 0.48
Basic weighted average shares outstanding	324,573	332,395
Diluted weighted average shares outstanding	327,003	336,534