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Stockholders' Equity - Additional Information (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified | 1 Months Ended | 3 Months Ended | 6 Months Ended | 1 Months Ended
--- | --- | --- | --- | ---
Jan. 28, 2013 | Jun. 28, 2013 | Jun. 28, 2013 | May 24, 2013 Dutch auction [Member] | Feb. 19, 2013 Common Stock [Member] | Jan. 28, 2013 Common Stock [Member]
Stock Repurchase Program [Line Items] |  |  |  |  |  |
Authorized stock repurchase value | $ 25 |  |  |  |  |
Increase in stock repurchase program |  |  |  |  | 35 | 75
Common stock repurchased and retired, shares |  | 1.8 | 3.4 |  |  |
Common stock repurchased and retired, aggregate value |  | 10.7 | 19.9 |  |  |
Tender offer to repurchased and retired of common stock, shares |  |  |  | 12.0 |  |
Sale of common stock price per share |  |  |  | $ 6.25 |  |
Tender offer to repurchase of common stock, cost |  |  |  | 76 |  |
Fees and expenses on repurchase of common stock |  |  |  | $ 1.0 |  |

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- Details
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- Definition Number of shares that have been repurchased and retired during the 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 SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
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- Definition Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital). + 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 SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 + Details
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