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Related Party (Details Textual)
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1 Months Ended | 3 Months Ended | 9 Months Ended | 1 Months Ended | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Nov. 30, 2011
USD ($)
|
Sep. 30, 2009
USD ($)
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Oct. 31, 2009
USD ($)
|
Oct. 31, 2012
USD ($)
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Oct. 31, 2012
EUR (€)
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Sep. 01, 2012
USD ($)
|
Sep. 01, 2012
EUR (€)
|
Jan. 31, 2012
USD ($)
|
Apr. 30, 2012
Chief Executive Officer [Member]
USD ($)
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Sep. 30, 2009
Restricted Stock [Member]
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Oct. 31, 2012
Restricted Stock [Member]
USD ($)
|
Oct. 31, 2012
Restricted Stock [Member]
EUR (€)
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Sep. 01, 2009
President [Member]
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Oct. 31, 2012
Mr. Styslinger [Member]
USD ($)
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Oct. 31, 2012
Subsequent Event [Member]
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| Percentage Holding By Related Party | 32.00% | ||||||||||||||
| Related Party Transaction, Expenses from Transactions with Related Party | $ 36,600,000 | $ 47,000,000 | |||||||||||||
| Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares) | 304,000 | ||||||||||||||
| Business Acquisition Unvested Restricted Shares | 102,000 | ||||||||||||||
| Net Periodic Cash Payment Due To Related Parties | 1,500,000 | 1,200,000 | 2,200,000 | 1,700,000 | |||||||||||
| Net Periodic Payment Shares Issued Due To Related Parties | 1,000,000 | 800,000 | |||||||||||||
| Earn Out Provision For Share Purchase Agreement Future Payments | 700,000 | ||||||||||||||
| Stock Repurchased During Period, Shares (in shares) | 749,524 | 63,000 | |||||||||||||
| Stock Repurchased During Period, Value | 6,100,000 | 500,000 | |||||||||||||
| Stock Repurchase Price Per Share (in dollars per share) | $ 8.11 | $ 8.00 | |||||||||||||
| Payment Under Separation Agreement | 1,000,000 | ||||||||||||||
| Severance Payments | 700,000 | ||||||||||||||
| Other accrued expenses | $ 15,053,000 | $ 13,345,000 | $ 100,000 | ||||||||||||