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

No definition available.

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ 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(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-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

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- Definition

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

+ References

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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

For an unclassified balance sheet, the amount as of the balance sheet date of capitalized costs associated with the issuance of debt instruments (for example, legal, accounting, underwriting, printing, and registration costs) that will be charged against earnings over the life of the debt instruments to which such costs pertain. Such amount is before the consideration of accumulated amortization.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28555-108399

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- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

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- Definition

Nominal or face amount used to calculate payments on the derivative liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6519104

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-Name Accounting Standards Codification
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- 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

+ Details

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Period Type:	instant

- Definition

Period remaining on line of credit facility before it terminates, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ 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

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- Definition

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

+ References

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- 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)
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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 20, 22
-Article 5

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- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time.

+ References

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- Definition

Maximum Debt To Cash Flow Ratio

+ References

No definition available.

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- Definition

Minimum Interest Expense Coverage Ratio

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No definition available.

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- Definition

Senior notes coupon rate.

+ References

No definition available.

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Long-Term Debt - Additional Information (Details) - USD ($)		3 Months Ended
	Dec. 19, 2013	Mar. 31, 2016	Dec. 31, 2015	Jun. 05, 2014	Aug. 31, 2013	Jan. 12, 2012
Debt Instrument [Line Items]
Weighted average interest rate on variable rate debt		1.19%
Forward Starting Interest Rate Swap Agreement
Debt Instrument [Line Items]
Interest rate swap agreements, notional amount				$ 150,000,000		$ 150,000,000
Interest rate on notional value				2.56%		1.415%
2013 Refinancing Credit Agreement
Debt Instrument [Line Items]
Deferred financing cost	$ 1,000,000
Debt instrument, interest rate, effective percentage		0.50%
Debt instrument, basis spread on variable rate		1.00%
Minimum interest expense coverage ratio		3.0
Maximum debt to cash flow ratio		3.25
2013 Refinancing Credit Agreement \| Base Rate \| Minimum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		0.00%
2013 Refinancing Credit Agreement \| Base Rate \| Maximum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		0.75%
2013 Refinancing Credit Agreement \| Alternative Rate \| Minimum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		0.75%
2013 Refinancing Credit Agreement \| Alternative Rate \| Maximum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		1.75%
Alternative Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		0.75%
Alternative Rate \| Base Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		0.00%
4.375% Senior Notes, due 2023
Debt Instrument [Line Items]
Deferred financing cost					$ 2,600,000
Long-term debt		$ 248,117,000	$ 248,053,000		$ 250,000,000
Senior notes coupon rate					99.879%
Stated interest percentage		4.375%	4.375%		4.375%
Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt		$ 553,587,000	$ 443,458,000
Revolving Credit Facility \| 2013 Refinancing Credit Agreement
Debt Instrument [Line Items]
Revolving credit facility, amount	$ 800,000,000
Credit facility loan term, years	5 years
Line of credit facility, amount currently available		206,900,000
Letter of Credit \| 2013 Refinancing Credit Agreement
Debt Instrument [Line Items]
Line of credit facility, current borrowing capacity		$ 38,100,000