Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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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 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Regulation S-X (SX)
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-Name Regulation S-X (SX)
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-Paragraph 16
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Net amount of long-term deferred finance costs capitalized at the end of the reporting period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-SubTopic 30
-Section 45
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-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28555-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-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)
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-Paragraph 17
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Fixed interest rate related to the interest rate derivative.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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Credit Agreements (Details) $ in Thousands, € in Millions		1 Months Ended	9 Months Ended
Credit Agreements (Details) $ in Thousands, € in Millions	Oct. 01, 2015 USD ($)	May. 31, 2013 USD ($)	Mar. 31, 2016 USD ($)	Mar. 31, 2016 EUR (€)	Mar. 31, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 12, 2015 USD ($)	Jul. 25, 2013
Line of Credit Facility [Line Items]
Derivative, Notional Amount					$ 522,100	$ 468,500
Letters of Credit Outstanding, Amount					10,000
Long-term Debt, Gross					$ 570,700		$ 7,100
Max commitment fee on revolving loan unused amount, percentage			0.30%
Interest rate swap, fixed interest rate	1.10%	0.73%		1.30%	1.30%
JP Morgan [Member]
Line of Credit Facility [Line Items]
Transfers of Financial Assets Including Debt Activity			$ 73,600
Other Short-term Borrowings					$ 0
JP Morgan UK [Member]
Line of Credit Facility [Line Items]
Credit agreement maximum borrowing capacity					4,500
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum			2.00%
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum			4.00%
Remaining borrowing available under revolving credit facility					4,200
RBSNederlandNV [Member]
Line of Credit Facility [Line Items]
Credit agreement maximum borrowing capacity \| €				€ 4.0
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum			2.00%
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum			4.00%
Remaining borrowing available under revolving credit facility \| €				€ 4.0
Interest Rate Swap [Member]
Line of Credit Facility [Line Items]
Principal amount of debt hedged with an interest rate swap agreement	$ 100,000	$ 100,000	$ 100,000
2016 Credit Agreement [Member]
Line of Credit Facility [Line Items]
Deferred Finance Costs, Noncurrent, Net					3,300
Senior Notes due in 2020 [Member]
Line of Credit Facility [Line Items]
Deferred Finance Costs, Noncurrent, Net					300
2013 Credit Agreement [Member]
Line of Credit Facility [Line Items]
Deferred Finance Costs, Noncurrent, Net						2,500
Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Remaining borrowing available under revolving credit facility					285,000
Senior Notes due in 2020 [Member] \| Senior Notes [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Interest Rate, Stated Percentage								3.11%
Long-term Debt, Gross					100,000
Designated as Hedging Instrument [Member]
Line of Credit Facility [Line Items]
Derivative, Notional Amount					396,400	$ 340,700
Designated as Hedging Instrument [Member] \| Interest Rate Contract [Member]
Line of Credit Facility [Line Items]
Derivative, Notional Amount					$ 100,000