Debt instrument fixed interest rate points.

No definition available.

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- Definition

Debt instrument floor rate.

+ References

No definition available.

+ Details

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- Definition

Margin percentage for fluctuating interest rate.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Margin percentage for fluctuating interest rate alternative.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Percentage of amortization of principal amount of term loan facility

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

+ Details

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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 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

+ Details

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

- 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 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 3: 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

+ Details

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: 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

+ Details

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- Definition

Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets.

+ References

+ Details

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- Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: 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)(2))

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

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 470

-Section 50

-Paragraph 3

-Subparagraph e

-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Rate at which loans or a loan portfolio are expected to prepay principal balances, used as an input to measure fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (bbb)

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- 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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20, 22

-Article 5

Reference 3: 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

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The maximum amount of borrowing capacity under a line of credit that is available as of the balance sheet date for a specific purpose other than for financing goods acquired for inventory or imminent delivery to a customer.

+ References

No definition available.

+ Details

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

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ 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

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

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

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

- Definition

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

+ References

+ Details

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

- 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

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- Details

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- Details

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Long-Term Debt - 2014 Credit Agreement - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2012	Oct. 27, 2014
Debt Instrument [Line Items]
Aggregate principal amount		$ 92,900,000us-gaap_DebtInstrumentFaceAmount
Maturity date of loan	Dec. 12, 2019
Premium on term loan facility	1.00%
Percentage on proceeds from issuances of debt	100.00%
Percentage on annual excess cash flow	50.00%us-gaap_FairValueInputsPrepaymentRate
Minimum [Member]
Debt Instrument [Line Items]
Percentage on annual excess cash flow	0.00%
Step Down [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Percentage on annual excess cash flow	25.00%
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Amount outstanding at the credit facility	4,600,000
2014 Credit Agreement [Member]
Debt Instrument [Line Items]
Senior secured revolving credit facility			500,000,000
Amount outstanding at the credit facility	0
Letter of credit sublimit as part of revolving credit facility	125,000,000
Amount withdrawn from revolving credit facility	4,600,000
Remaining borrowing capacity	495,400,000
Fluctuating interest rates	0.50%
Fluctuating interest rate points	1.00%
Fluctuating interest rate under credit agreement option	Eurocurrency rate applicable for an interest period of one month plus 1.00% and (d) in respect of the 2014 Term Loan Facility, 2.00% per annum (“Base Rate Loans”), plus an applicable margin equal to 2.50% for any 2014 Term Loan Facility and 2.00% for loans under the 2014 Revolving Credit Facility, or (ii) a Eurocurrency rate determined by reference to LIBOR, adjusted for statutory reserve requirements (“Eurocurrency Rate Loans”), plus an applicable margin equal to 3.50% for any 2014 Term Loan Facility and 2.00% for loans under the 2014 Revolving Credit Facility; provided that the foregoing margins applicable to the 2014 Revolving Credit Facility are subject to reduction after financial statements have been delivered for the first full fiscal quarter after the Closing Date based upon achievement of specified leverage ratios. Borrowings of the 2014 Credit Facility will be subject to a floor of 1.00% in the case of Eurocurrency Rate Loans and 2.00% in the case of Base Rate Loans. We have elected our applicable rate per annum as Eurocurrency rate determined by reference to LIBOR. As of December 31, 2014, the interest rate was 4.50% on our outstanding 2014 Credit Facility.
Fluctuating interest rate under credit agreement option	Federal funds effective rate plus 0.50%
2014 Credit Agreement [Member] \| Eurocurrency Rate Loans [Member]
Debt Instrument [Line Items]
Debt instrument floor rate	1.00%
2014 Credit Agreement [Member] \| Base Rate Loans [Member]
Debt Instrument [Line Items]
Margin percentage for fluctuating interest rate	2.00%
Debt instrument floor rate	2.00%
2014 Credit Agreement [Member] \| 2014 Term Loan Facility [Member]
Debt Instrument [Line Items]
Margin percentage for fluctuating interest rate	2.50%
Margin percentage for fluctuating interest rate alternative	3.50%
2014 Credit Agreement [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Margin percentage for fluctuating interest rate	2.00%
Margin percentage for fluctuating interest rate alternative	2.00%
Interest rates	4.50%
2014 Credit Agreement [Member] \| Revolving Credit Facility [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Revolving credit facility interest rate	3.00%
Revolving credit facility interest rate on unused portion, maximum	0.50%
2014 Credit Agreement [Member] \| Revolving Credit Facility [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Revolving credit facility interest rate	2.50%
Revolving credit facility interest rate on unused portion, maximum	0.375%
Term B Loan [Member] \| 2014 Credit Agreement [Member]
Debt Instrument [Line Items]
Aggregate principal amount			$ 6,750,000,000
2014 Term Loan Facility [Member]
Debt Instrument [Line Items]
Percentage of amortization of principal amount of Term Loan Facility	0.25%
Maturity date of loan	Dec. 12, 2021