Amount of debt hedged by interest rate derivatives.

No definition available.

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Namespace Prefix:	prxl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Derivative interest rate cap arrangement.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	duration

- Definition

The average effective interest rate during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

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Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	instant

- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

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-Article 9

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-Name Regulation S-X (SX)

-Number 210

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-Paragraph 20, 22

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 7

+ Details

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Balance Type:	credit
Period Type:	instant

- Details

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- Details

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- Details

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- Details

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Credit Arrangements - 2011 Credit Agreement (Details) - USD ($) $ in Thousands	1 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2011	Mar. 31, 2015	Jun. 30, 2015	Jun. 30, 2013	May. 31, 2013	Mar. 22, 2013	Jun. 30, 2011
Debt Instrument [Line Items]
Long-term Debt			$ 357,079
Derivative Interest Rate Cap Arrangement		2.00%
Derivative, Fixed Interest Rate					0.73%
Term Loan [Member]
Debt Instrument [Line Items]
Long-term Debt						$ 200,000	$ 100,000
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Remaining Borrowing Capacity			250,000
Line of Credit Facility, Current Borrowing Capacity						$ 300,000	$ 300,000
2011 Credit Agreement [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate				1.75%
Interest Rate Swap [Member]
Debt Instrument [Line Items]
Principal amount of debt hedged with an interest rate swap agreement	$ 100,000	$ 100,000
Derivative, Fixed Interest Rate	1.30%
Interest Rate Cap [Member]
Debt Instrument [Line Items]
Principal amount of debt hedged with an interest rate swap agreement		$ 25,000
JPMorganLOC [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Remaining Borrowing Capacity			4,500
Line of Credit Facility, Maximum Borrowing Capacity			4,500
RBSLOC [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Remaining Borrowing Capacity			4,000
Line of Credit Facility, Maximum Borrowing Capacity			$ 4,000
Minimum [Member] \| JPMorganLOC [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate During Period			2.00%
Minimum [Member] \| RBSLOC [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate During Period			2.00%
Maximum [Member] \| JPMorganLOC [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate During Period			4.00%
Maximum [Member] \| RBSLOC [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate During Period			4.00%