Guarantees - Summary (Details) - USD ($) $ in Thousands	3 Months Ended
Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019
Guarantees [Abstract]
Amounts guaranteed (not to exceed)	$ 110,712	$ 138,953	$ 127,738
Amounts outstanding under guarantee	48,339	48,565	90,535
Fair value of guarantees	3,312	2,791	3,136
Amounts due to local banks on behalf of suppliers and included in accounts payable	$ 14,206	$ 6,849	$ 24,131
Number of years before expiring guarantees	1 year

Guarantor Obligations, Amounts due to Local Banks on Behalf of Suppliers and included in Accounts Payable

No definition available.

Name:	pyx_GuarantorObligationsAmountsDueToLocalBanksOnBehalfOfSuppliersAndIncludedInAccountsPayable
Namespace Prefix:	pyx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Guarantor Obligations, Fair Value

+ References

No definition available.

+ Details

Name:	pyx_GuarantorObligationsFairValue
Namespace Prefix:	pyx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Number of Years, Before Expiring Guarantees

+ References

No definition available.

+ Details

Name:	pyx_NumberofYearsBeforeExpiringGuarantees
Namespace Prefix:	pyx_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121555522&loc=d3e12069-110248

+ Details

Name:	us-gaap_GuaranteeObligationsCurrentCarryingValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=121555522&loc=d3e12069-110248

+ Details

Name:	us-gaap_GuaranteeObligationsMaximumExposure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- References

No definition available.

+ Details

Name:	us-gaap_GuaranteesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration