Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Aug. 30, 2014	May 31, 2014
Current assets:
Cash and cash equivalents	$ 75,131	$ 80,291
Short-term investments	24,984	33,986
Trade accounts receivable, net of allowance for doubtful accounts of $3,551 and $3,139 as of August 30, 2014 and May 31, 2014, respectively	91,715	90,334
Prepaid expenses and other current assets	4,616	4,876
Deferred income taxes	7,971	7,975
Total current assets	204,417	217,462
Goodwill	174,656	175,427
Intangible assets, net	596	1,031
Property and equipment, net	22,626	23,158
Deferred income taxes	568	672
Other assets	2,285	2,328
Total assets	405,148	420,078
Current liabilities:
Accounts payable and accrued expenses	13,993	14,031
Accrued salaries and related obligations	28,871	45,567
Other liabilities	9,455	7,577
Total current liabilities	52,319	67,175
Other long-term liabilities	6,670	7,142
Total liabilities	58,989	74,317
Commitments and contingencies
Stockholders' equity:
Preferred stock, $0.01 par value, 5,000 shares authorized; zero shares issued and outstanding
Common stock, $0.01 par value, 70,000 shares authorized; 57,043 and 56,738 shares issued, and 38,080 and 38,158 shares outstanding as of August 30, 2014 and May 31, 2014, respectively	570	567
Additional paid-in capital	365,401	360,445
Accumulated other comprehensive loss	(3,799)	(2,573)
Retained earnings	301,179	298,830
Treasury stock at cost, 18,963 and 18,580 shares at August 30, 2014 and May 31, 2014, respectively	(317,192)	(311,508)
Total stockholders' equity	346,159	345,761
Total liabilities and stockholders' equity	$ 405,148	$ 420,078