Guarantees - Summary (Details) - USD ($) $ in Thousands	12 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Guarantees [Abstract]
Amounts guaranteed (not to exceed)	$ 138,953	$ 143,298
Amounts outstanding under guarantee	48,565	103,846
Fair value of guarantees	$ 2,791	3,714
Number of years before expiring guarantees	1 year
Amounts due to local banks on behalf of suppliers and included in accounts payable	$ 6,849	$ 18,659

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

No definition available.

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- Definition

Guarantor Obligations, Fair Value

+ References

No definition available.

+ Details

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Namespace Prefix:	pyx_
Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

Number of Years, Before Expiring Guarantees

+ References

No definition available.

+ Details

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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

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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

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- References

No definition available.

+ Details

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