|
Intangible Assets, Net - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
|
Jun. 29, 2013
|
Dec. 29, 2012
|
Jan. 03, 2015
|
Dec. 28, 2013
|
Dec. 29, 2012
|
|
| Finite-Lived Intangible Assets [Line Items] | |||||
| Impairment loss on intangible assets, finite-lived | $ 1,245us-gaap_ImpairmentOfIntangibleAssetsFinitelived | $ 1,745us-gaap_ImpairmentOfIntangibleAssetsFinitelived | |||
| Fair values discount rate | 14.50%us-gaap_FairValueInputsDiscountRate | ||||
| Fair values royalty rate | 1.00%prts_FairValueInputsRoyaltyRate | ||||
| Amortization expense relating to intangible assets | $ 422us-gaap_AmortizationOfIntangibleAssets | $ 381us-gaap_AmortizationOfIntangibleAssets | $ 1,189us-gaap_AmortizationOfIntangibleAssets | ||
| X | ||||||||||
|
- Definition
Fair Value Inputs Royalty Rate No definition available.
|
| X | ||||||||||
|
- Definition
The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|