Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 01, 2013	Jun. 02, 2012	May 28, 2011
Operating activities:
Net income	$ 1,248	$ 8,526	$ 87,948
Adjustments to reconcile net income to cash provided by (used in) operating activities:
Depreciation and amortization	1,057	1,112	1,964
(Gain) loss on sale of investments	(28)		(6)
(Gain) loss on disposal of assets	16	(77)	(11)
Loss on retirement of short-term debt			60
Share-based compensation expense	619	481	1,188
Deferred income taxes	145	2,855	252
Inventory provisions	607	512	1,926
Pre-tax gain on sale of RFPD			(111,432)
Change in assets and liabilities, net of effect of acquired businesses:
Accounts receivable	1,814	4,112	(6,611)
Income tax receivable	143	(6,572)
Inventories	2,490	(4,941)	(17,491)
Prepaid expenses and other assets	(329)	5,058	(6,108)
Accounts payable	1,482	(4,712)	2,043
Accrued liabilities	960	(50,115)	37,612
Long-term income tax liabilities	(1,918)	(5,205)	12,091
Other	319	243	(1,291)
Net cash provided by (used in) operating activities	8,625	(48,723)	2,134
Investing activities:
Cash consideration paid for acquired businesses	(2,557)	(2,291)
Capital expenditures	(1,640)	(218)	(533)
Proceeds from sale of assets	4	25	3
Proceeds from sale of RFPD, less costs to sell			228,973
Proceeds from maturity of investments	154,228	376,633	776,541
Purchases of investments	(82,898)	(423,585)	(844,907)
Proceeds from sales of available-for-sale securities	188	208	186
Purchases of available-for-sale securities	(188)	(208)	(186)
Other	68	39	(64)
Net cash provided by (used in) investing activities	67,205	(49,397)	160,013
Financing activities:
Proceeds from borrowings			181,800
Payments on debt			(181,800)
Payments on retirement of short-term debt			(19,517)
Repurchase of common stock	(15,024)	(23,991)	(8,838)
Proceeds from issuance of common stock	198	807	5,434
Tax benefit from stock option exercises			346
Cash dividends paid	(3,571)	(3,315)	(1,946)
Other		(75)
Net cash used in financing activities	(18,397)	(26,574)	(24,521)
Effect of exchange rate changes on cash and cash equivalents	676	(2,388)	4,311
Increase/ (decrease) in cash and cash equivalents	58,109	(127,082)	141,937
Cash and cash equivalents at beginning of period	43,893	170,975	29,038
Cash and cash equivalents at end of period	102,002	43,893	170,975
Cash paid during the fiscal year for:
Interest		1	1,229
Income taxes	$ 1,680	$ 40,143	$ 3,356