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Notes Payable (Details)				9 Months Ended
	Oct. 31, 2012 USD ($)	Aug. 06, 2012 USD ($)	Oct. 31, 2011 USD ($)	Oct. 31, 2012 Vilebrequin [Member]	Aug. 07, 2012 Vilebrequin [Member] USD ($)	Aug. 07, 2012 Vilebrequin [Member] EUR (€)	Aug. 07, 2012 Vilebrequin [Member] Unsecured promissory notes [Member]	Aug. 06, 2012 Prime plus [Member] Maximum [Member]	Aug. 06, 2012 Prime plus [Member] Minimum [Member]	Aug. 06, 2012 LIBOR plus [Member] Maximum [Member]	Aug. 06, 2012 LIBOR plus [Member] Minimum [Member]
Notes Payable (Textual) [Abstract]
Spread interest rate								1.00%	0.50%	2.00%	1.50%
Business Acquisition, liabilities incurred	$ 18,633,000				$ 18,600,000	€ 15,000,000
Business Acquisition, note interest payable rate							5.00%
Maturity date of note				Dec. 31, 2017
Notes Payable (Additional Textual) [Abstract]
Senior secured credit facility		450,000,000
Amounts payable under the Company's financing agreement	$ 265,100,000		$ 245,100,000

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The percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Interest rate stated in the contractual debt agreement.

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Amount borrowed under the credit facility as of the balance sheet date.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Carrying value as of the balance sheet date of notes payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

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