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Significant Accounting Policies - Additional Information (Detail) (USD $) | 12 Months Ended
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Jun. 01, 2013 | Jun. 02, 2012 | May 28, 2011
Summary Of Significant Accounting Policies [Line Items] |  |  |
Allowance for doubtful accounts | $ 1,092,000 | $ 1,058,000 |
Finished Goods Included in inventories | 31,600,000 | 31,800,000 |
Raw material and Work in progress included in inventories | 2,400,000 | 2,900,000 |
Inventory reserve | 400,000 | 400,000 | 1,100,000
Investment in time deposits and certificate of deposits ("CD") | 44,000,000 | 115,300,000 |
Investment in time deposits and certificate of deposits ("CD"), current | 38,971,000 | 105,009,000 |
Investment in time deposits and certificate of deposits ("CD"), non current | 5,000,000 | 10,300,000 |
Available-for-sale | 400,000 | 400,000 |
Proceeds From sale of available-for-sale securities | 200,000 | 200,000 | 200,000
Depreciation expense | 1,000,000 | 1,100,000 | 1,200,000
Goodwill | 1,519,000 | 1,261,000 |
Other non-current liabilities | 1,287,000 | 1,213,000 |
Share-based compensation expense | 619,000 | 481,000 | 1,188,000
Stock options, contractual term | 6 years 8 months 12 days |  |
Stock options exercised | 31,000 | 121,000 | 699,000
Cash received from exercise of stock options | 200,000 |  |
Total intrinsic value of options exercised | 100,000 | 600,000 | 2,800,000
Weighted average fair value of stock option grants | $ 4.75 | $ 5.83 | $ 6.72
Total unrecognized compensation expense related to unvested stock options | 2,100,000 |  |
Total unrecognized compensation expense related to unvested stock options, weighted average remaining period | 5 years |  |
Total grant date fair value of stock options vested | 700,000 |  |
Foreign currency translation gain/loss | 800,000 | 100,000 | 600,000
Preferred stock shares, authorized | 5,000,000 |  |
Common stock options anti-dilutive | 280,764,000 | 272,864,000 | 237,064,000
Powerlink Specialist Electronics Support Limited |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Goodwill | 1,300,000 |  |
D and C Import-Export Inc. |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Goodwill | 200,000 |  |
Maximum |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Gross realized gains and losses on sale of available-for-sale securities | 100,000 | 100,000 | 100,000
Net unrealized holding losses on sale of available-for-sale securities | $ 100,000 | $ 100,000 | $ 100,000
Common Stock |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Stock options exercised | 31,000 | 121,000 | 700,000
Common stock shares, authorized | 30,000,000 |  |
Class B Common Stock |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Common stock shares, authorized | 10,000,000 |  |
Number of votes for Class B common stock | 10 |  |
Cash dividends Class A common stock | 90.00% |  |
Employee Stock Option |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Stock options, vesting period | 5 years |  |
Stock options, contractual term | 10 years |  |
Two Thousand Eleven Stock Incentive Compensation Plan |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Share-based compensation, shares reserved for future issuance | 444,000 |  |
Share-based compensation, exercisable period | 5 years |  |
Two Thousand Eleven Stock Incentive Compensation Plan | Maximum |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Share-based compensation, shares authorized | 750,000 |  |
Share-based compensation, expiration period | 10 years |  |
Stock Option Plan Twenty Zero Six |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Share-based compensation, shares reserved for future issuance | 150,000 |  |
Share-based compensation, expiration period | 10 years 1 month |  |
Stock Option Plan Twenty Zero Six | Maximum |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Share-based compensation, shares authorized | 400,000 |  |

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- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Investments which are intended to be sold in the short term (usually less than one year or the normal operating cycle, whichever is longer) including trading securities, available-for-sale securities, held-to-maturity securities, and other short-term investments not otherwise listed in the existing taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Subparagraph g -Article 7 + Details
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- Definition Number of share options (or share units) exercised during the current period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.28,29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
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