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Stockholders' Equity (Details) (USD $) In Thousands, except Share data, unless otherwise specified | 3 Months Ended
--- | ---
Jun. 29, 2013 | Jun. 30, 2012
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |
Beginning balance, common stock, shares | 6,967,954 |
Beginning balance | $ 176,890 |
Stock option exercises, amount | 50 |
Stock-based compensation | 1,146 |
Net income | 1,826 | 860
Other comprehensive loss | (71) |
Ending balance, common stock, shares | 6,969,954 |
Ending balance | 179,841 |
Increase (Decrease) in Redeemable Noncontrolling Interest [Roll Forward] |  |
Redeemable noncontrolling interest, beginning balance | 91,994 |
Net income | 2,035 | 758
Other comprehensive loss | (71) |
Redeemable noncontrolling interest, ending balance | 93,958 |
Pre-tax unrealized loss on available-for-sale investments | 216 |
Common Stock |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |
Beginning balance, common stock, shares | 6,967,954 |
Beginning balance | 70 |
Stock option exercises, shares | 2,000 |
Stock option exercises, amount | 0 |
Stock-based compensation | 0 |
Net income | 0 |
Other comprehensive loss | 0 |
Ending balance, common stock, shares | 6,969,954 |
Ending balance | 70 |
Additional paid-in capital |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |
Beginning balance | 135,053 |
Stock option exercises, amount | 50 |
Stock-based compensation | 1,146 |
Net income | 0 |
Other comprehensive loss | 0 |
Ending balance | 136,249 |
Retained earnings |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |
Beginning balance | 41,590 |
Stock option exercises, amount | 0 |
Stock-based compensation | 0 |
Net income | 1,826 |
Other comprehensive loss | 0 |
Ending balance | 43,416 |
Accumulated other comprehensive income |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |
Beginning balance | 177 |
Stock option exercises, amount | 0 |
Stock-based compensation | 0 |
Net income | 0 |
Other comprehensive loss | (71) |
Ending balance | $ 106 |

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- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A3 -Appendix A Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 4.E) -URI http://asc.fasb.org/extlink&oid=6228006&loc=d3e74512-122707 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section E 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 210.5-02.29-31) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 + Details
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