Long-term Debt - Derivative (Details) - Cash Flow Hedging [Member]	3 Months Ended
Sep. 30, 2016 USD ($)
Interest Rate Swap [Member]
Derivative [Line Items]
Notional amount of derivative	$ 300,000,000
Fair value of interest rate swaps	4,900,000
Maximum loss on counterparties failure to meet obligations	0
Interest Rate Swap Expiring August 2018 [Member]
Derivative [Line Items]
Derivative, amount of hedged items	$ 50,000,000
Fixed interest rate of derivative	1.36%
Variable interest rate of derivative	0.54%
Interest Rate Swap Expiring March 2019 [Member]
Derivative [Line Items]
Derivative, amount of hedged items	$ 100,000,000
Fixed interest rate of derivative	1.53%
Variable interest rate of derivative	0.86%
Interest Rate Swaps Expiring August 2019 [Member]
Derivative [Line Items]
Derivative, amount of hedged items	$ 150,000,000
Fixed interest rate of derivative	1.76%
Variable interest rate of derivative	0.84%
Senior Notes Due 2024 [Member] \| Interest Rate Swap [Member]
Derivative [Line Items]
Derivative, amount of hedged items	$ 250,000,000
Term Loan Facility [Member] \| Interest Rate Swap [Member]
Derivative [Line Items]
Derivative, amount of hedged items	$ 50,000,000

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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- Definition

Maximum amount of loss due to credit risk that, based on the gross fair value of the financial instrument, the entity would incur if parties to the financial instruments that make up the concentration failed completely to perform according to the terms of the contracts and the collateral or other security, if any, for the amount due proved to be of no value to the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13537-108611

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- Definition

Amount of the hedged item as of the balance sheet date related to the derivative. For example, the hedged balance on a debt instrument.

+ References

No definition available.

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- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

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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.

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- Definition

Variable interest rate in effect as of the balance sheet date related to the interest rate derivative.

+ References

No definition available.

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- Definition

Fair value as of the balance sheet date of all interest rate derivatives designated as cash flow hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958

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