Long Term Debt Activity - Additional Information (Detail) - USD ($) $ in Thousands		3 Months Ended
Mar. 21, 2016	Mar. 31, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Principal amount redeemed		$ 200,000
Write off of unamortization of debt issuance cost		2,369
Loss on early retirement of debt		13,186
Carrying value of long-term debt		1,837,814	$ 1,814,572
Fair value of long-term debt		1,854,540	$ 1,806,276
4.875 % Senior Notes Due June 1, 2023
Debt Instrument [Line Items]
Aggregate principal amount issued	$ 225,000	$ 755,000
Interest rate	4.875%	4.875%
Price to repurchase the senior subordinated notes as a percentage of the aggregate principal amount outstanding plus accrued and unpaid interest in case of change of control	99.00%
Debt instrument, maturity date		Jun. 01, 2023
Debt issuance costs		$ 3,656
Debt issue costs,discount		$ 2,250
7.375% senior subordinated notes due 2021
Debt Instrument [Line Items]
Principal amount redeemed	$ 200,000
Percentage of debt repayment premium	104.00%
Write off of unamortization of debt issuance cost	$ 2,369
Early retirement of debt	9,670
Loss on early retirement of debt	$ 1,147

Amount of make whole premium paid upon redemption of senior notes.

No definition available.

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- Definition

Costs incurred and write-off of unamortized debt issue costs and other costs related to the early retirement of long term debt.

+ References

No definition available.

+ Details

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- Definition

Percentage premium paid upon redemption of notes.

+ References

No definition available.

+ Details

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- Definition

Write off of unamortized debt issue costs and other noncash losses related to early retirement of debt.

+ References

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
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- Definition

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

+ References

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-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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- 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

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

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-Subparagraph (SX 210.5-02.22(a)(2))
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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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- Definition

The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

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- Definition

Amount of debt issuance costs (for example, but not limited to, legal, accounting, broker, and regulatory fees).

+ References

No definition available.

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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.

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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 fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

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- Definition

The cash outflow from the repayment of long-term borrowing where a lender is placed in a lien position behind debt having a higher priority of repayment (senior) in case of liquidation of the entity's assets or underlying collateral.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Glossary Financing Activities
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