XML 28 R89.htm IDEA: XBRL DOCUMENT v2.4.0.8
Subsequent Events - Additional Information (Detail) (USD $)
In Millions, except Share data, unless otherwise specified
12 Months Ended 0 Months Ended
Feb. 01, 2014
Feb. 01, 2014
Promissory Notes [Member]
Feb. 03, 2014
Subsequent Event [Member]
Mar. 10, 2014
Subsequent Event [Member]
2012 Equity Replacement Plan [Member]
Mar. 10, 2014
Subsequent Event [Member]
Promissory Notes [Member]
Subsequent Event [Line Items]          
Assets acquired     $ 2.5    
Common stock share repurchased 40,353     238,290  
Purchase price per share $ 67.16     $ 65.06  
Issuance of unsecured subordinated promissory note         $ 15.5
Debt instrument, term   10 years     8 years
Debt instrument, stated interest percentage   5.00%     5.00%
Debt instrument, maturity Jul. 06, 2015 Mar. 10, 2022