Swingline Loan, Maximum Borrowing Capacity

No definition available.

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- Definition

Term Loan, Maximum Borrowing Capacity

+ References

No definition available.

+ Details

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- Definition

Term loan, Maximum Month End Outstanding Amount

+ References

No definition available.

+ Details

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- Definition

Unsecured debt, net of debt issuance costs

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

The amount of a specific compensating balance arrangement that is maintained under an agreement for a bank loan or future credit availability.

+ References

+ 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.

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- Definition

States whether the entity was in compliance with the debt covenants throughout the reporting period, and describes facts and circumstances of any compliance failure.

+ 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(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
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- Definition

Description of minimum financial levels (for example, tangible net worth and working capital) and achievement of certain financial ratios (for example, working capital ratio and debt service coverage ratio), and adherence to certain clauses which generally require or restrict certain actions (for example, entering into a debt arrangement with equal or greater seniority, and selling or discontinuing a certain business segment or material subsidiary) to be in compliance with the covenant clauses of the debt agreement. May also include a discussion of the adverse consequences that would result if the entity violates or fails to satisfy the covenants.

+ References

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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Period Type:	instant

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Description of the payment terms of the debt instrument (for example, whether periodic payments include principal and frequency of payments) and discussion about any contingencies associated with the payment.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

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

+ References

No definition available.

+ Details

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

- Definition

The effective interest rate at the end of the reporting period.

+ References

+ Details

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Data Type:	num:percentItemType
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Period Type:	instant

- 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

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

- Definition

Maximum month-end amount borrowed under the credit facility during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
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Balance Type:	credit
Period Type:	duration

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer).

+ References

+ Details

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

- Definition

Carrying value as of the balance sheet date of the portion of long-term, uncollateralized debt obligations due within one year or the normal operating cycle, if longer.

+ References

+ Details

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Balance Type:	credit
Period Type:	instant

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- Details

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- Details

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- Details

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- Details

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Senior Credit Facility - Credit Agreement (Details) - USD ($)						3 Months Ended
	Sep. 30, 2017	Jun. 15, 2017	Dec. 31, 2016	Sep. 24, 2016	Feb. 19, 2016	Sep. 30, 2017
Line of Credit Facility [Line Items]
Senior credit facility, maximum borrowing capacity	$ 500,000,000				$ 500,000,000	$ 500,000,000
Swingline Loan, Maximum Borrowing Capacity						50,000,000
Debt Issuance Costs, Gross	(1,600,000)		$ (1,100,000)	$ (1,200,000)		(1,600,000)
Unsecured debt, net of debt issuance costs	509,700,000		273,900,000	293,800,000		509,700,000
Unsecured Debt, Current	(22,500,000)		(10,000,000)	(10,000,000)		(22,500,000)
Long-term Debt, Excluding Current Maturities	487,228,000		263,850,000	283,781,000		487,228,000
Term Loan, Maximum Borrowing Capacity		$ 100,000,000			200,000,000
Unsecured Debt	511,250,000		275,000,000	295,000,000		511,250,000
Letters of Credit Outstanding, Amount	$ 41,621,000		44,300,000	44,400,000		$ 41,621,000
Debt Instrument, Interest Rate, Stated Percentage - June 2017 Term Loan	1.00%					1.00%
Debt instrument, basis spread on variable rate	0.75%
Commitment fee for unused capacity	0.13%
Compensating Balance, Amount	$ 0					$ 0
Debt Instrument, Covenant Compliance	all
Base Rate
Line of Credit Facility [Line Items]
Line of Credit Facility, Interest Rate at Period End	4.25%					4.25%
London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Line of Credit Facility, Interest Rate at Period End	1.232%					1.232%
Minimum
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate						0.50%
Commitment fee for unused capacity						0.075%
Maximum
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate						1.125%
Commitment fee for unused capacity						0.20%
February 2016 Term Loan [Member]
Line of Credit Facility [Line Items]
Term loan, Maximum Month End Outstanding Amount	$ 182,500,000		190,000,000	195,000,000		$ 182,500,000
Term Loan, Maximum Borrowing Capacity						$ 200,000,000
Debt Instrument, Maturity Date	Feb. 19, 2021
Due in years one and two February 2016 Term Loan [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Frequency of Periodic Payment						10
Due in years three through five February 2016 Term Loan [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Frequency of Periodic Payment						20
June 2017 Term Loan [Member]
Line of Credit Facility [Line Items]
Term loan, Maximum Month End Outstanding Amount	$ 98,750,000		0	0		$ 98,750,000
Term Loan, Maximum Borrowing Capacity						$ 100,000,000
Debt Instrument, Maturity Date	Jun. 15, 2022
Due in years one and two June 2017 Term Loan [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Frequency of Periodic Payment						5
Due in years three through five June 2017 Term Loan [Member] [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Frequency of Periodic Payment						10
Senior credit facility [Member]
Line of Credit Facility [Line Items]
Senior credit facility, maximum borrowing capacity					400,000,000
Swingline loan [Member]
Line of Credit Facility [Line Items]
Swingline Loan, Maximum Borrowing Capacity					$ 30,000,000
2016 Senior Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Month-end Outstanding Amount	$ 80,000,000		$ 85,000,000	$ 100,000,000
Number of Financial Covenants [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Covenant Description						2
Fixed Charge Coverage Ratio Minimum Requirement [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Covenant Description						2.00
Leverage Ratio Maximum Requirement [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Covenant Description						4.00