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ACQUISITIONS (Details) (USD $)
12 Months Ended
Feb. 01, 2014
item
Jan. 31, 2015
Feb. 02, 2013
Nov. 02, 2013
Purchase price allocation        
Goodwill $ 56,794,000us-gaap_Goodwill $ 32,869,000us-gaap_Goodwill $ 46,917,000us-gaap_Goodwill  
Acquisitions        
ACQUISITIONS        
Purchase price of Service & Tire Centers 10,700,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
     
Number of Service & Tire Centers purchased 18pby_NumberOfServiceAndTireCentersAcquired
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
     
Revenues in previous full fiscal year of acquired company based on unaudited pre-acquisition historical information 26,100,000us-gaap_BusinessAcquisitionRevenueReportedByAcquiredEntityForLastAnnualPeriod
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
     
Purchase price allocation        
Tangible assets       800,000pby_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedTangibleAssets
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
Intangible assets       100,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
Goodwill       $ 9,900,000us-gaap_Goodwill
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember