XML 52 R37.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Lease information Future minimum lease payments (Tables) | 12 Months Ended
--- | ---
Jan. 31, 2017
Future minimum lease payments [Abstract] |
Future minimum rental payments for operating leases [Table Text Block] |
| Operating Leases | Capital Leases
2017 | $2,199 | $231
2018 | 1,705 |  | 63 |
2019 | 1,536 |  | 1 |
2020 | 1,475 |  | — |
2021 | 1,477 |  | — |
Thereafter | 9,707 |  | — |
Subtotal | 18,099 |  | 295 |
Less Amount representing interest |  | 12 |
Future minimum lease payments | $18,099 | $283

X
- Definition Future minimum lease payments [Abstract] + References No definition available. + Details
Name: | ppih_FutureMinimumLeasePaymentsAbstract
Namespace Prefix: | ppih_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717 + Details
Name: | us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration