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Subsequent Events - Additional Information (Detail) (Strategic investment by Gart Capital Partners ("GCP"), USD $)
Mar. 30, 2012
Subsequent Event [Line Items]  
Related-party note receivable $ 4,000,000
Ownership interest in Running Specialty business 51.00%
GCPI SR LLC
 
Subsequent Event [Line Items]  
Investment in Running Specialty business $ 10,000,000