Debt - Additional Information (Detail) - Jun. 30, 2015 - USD ($)	Total
2015 Credit Facility
Line of Credit Facility [Line Items]
Senior secured revolving line of credit	$ 550,000,000
Line of credit, maturity date	Jun. 26, 2020
Line of credit facility borrowings outstanding	$ 0
Former Credit Facility
Line of Credit Facility [Line Items]
Senior secured revolving line of credit	$ 350,000,000
Line of Credit Facility
Line of Credit Facility [Line Items]
Borrowing interest rate description	Borrowings will initially bear interest at LIBOR plus 1.75% per annum, in the case of LIBOR borrowings, or at the alternate base rate plus 0.75% per annum, in the case of base rate loans.After delivering the compliance certificate for the fiscal quarter ended June 30, 2015, the applicable margin will fluctuate between 1.375% per annum and 2.00% per annum, in the case of LIBOR borrowings, or between 0.375% per annum and 1.00% per annum, in the case of base rate borrowings, in each case, based upon the Company’s Consolidated Total Leverage Ratio (as defined in the Credit Agreement) at such time.
Line of credit, commitment fees on unused borrowing capacity	0.30%
Line of credit, fronting fees	1.75%
Line of Credit Facility \| London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Revolving Credit Facility, percentage points added to the reference rate	1.75%
Line of Credit Facility \| Base Rate
Line of Credit Facility [Line Items]
Revolving Credit Facility, percentage points added to the reference rate	0.75%
Line of Credit Facility \| Minimum
Line of Credit Facility [Line Items]
Line of credit, commitment fees on unused borrowing capacity	0.25%
Line of credit, fronting fees	1.375%
Line of Credit Facility \| Minimum \| London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Revolving Credit Facility, percentage points added to the reference rate	1.375%
Line of Credit Facility \| Minimum \| Base Rate
Line of Credit Facility [Line Items]
Revolving Credit Facility, percentage points added to the reference rate	0.375%
Line of Credit Facility \| Maximum
Line of Credit Facility [Line Items]
Line of credit, commitment fees on unused borrowing capacity	0.35%
Line of credit, fronting fees	2.00%
Line of Credit Facility \| Maximum \| London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Revolving Credit Facility, percentage points added to the reference rate	2.00%
Line of Credit Facility \| Maximum \| Base Rate
Line of Credit Facility [Line Items]
Revolving Credit Facility, percentage points added to the reference rate	1.00%
Letter of Credit \| Scenario, Forecast
Line of Credit Facility [Line Items]
Senior secured revolving line of credit	$ 100,000,000
Letter of Credit \| Scenario, Forecast \| Minimum
Line of Credit Facility [Line Items]
Leverage ratio	350.00%

Line Of Credit Facility Fronting Fee Percentage

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- Definition

Line Of Credit Facility Maximum Leverage Percentage

+ References

No definition available.

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- 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

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ 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)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20, 22

-Article 5

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- Definition

Date the credit facility terminates, in CCYY-MM-DD format.

+ 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 210.5-02.19(b),22(b))

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

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- Definition

Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions).

+ 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

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

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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