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

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Debt Instrument Interest Additional Interest Above Federal Fund Rate

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Debt Instrument Interest Additional Interest Above One Month LIBOR Rate

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- Definition

Debt Instrument Issue Price Percentage Of Principal Amount

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- Definition

Payment due date for debt instrument.

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- Definition

Percentage of capital stock pledged as collateral under the Company's Credit Agreement.

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Total amount financed for license of internally used software.

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License term of internally-used software financed by the Company.

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- Definition

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

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- Definition

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

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-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

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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.

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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.

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

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date.

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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.

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

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

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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.

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The aggregate carrying amount, as of the balance sheet date, of liabilities not separately disclosed in the balance sheet.

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Carrying value as of the balance sheet date of debt not otherwise defined (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

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Carrying value of the current portion of notes payable which were initially due after one year or beyond the normal operating cycle, if longer, and which are not otherwise defined in the taxonomy.

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Carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Senior note holders are paid off in full before any payments are made to junior note holders.

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Debt - Additional Information (Detail) - USD ($)			9 Months Ended
Debt - Additional Information (Detail) - USD ($)	Aug. 20, 2013	Nov. 10, 2011	Sep. 30, 2015
Debt Instrument [Line Items]
Credit facility, interest rate description			The applicable margin for borrowings under the Revolving Credit Facility is, based on the calculation of the applicable consolidated total leverage ratio, between 0.50% to 1.50% with respect to base rate borrowings and between 1.50% and 2.50% with respect to LIBOR based borrowings. Interest is due and payable monthly. The interest rate in effect at September 30, 2015 for the Credit Facility was 0%.
Credit facility, interest rate margin above federal fund rate			1.00%
Credit facility, interest rate margin above one-month LIBOR rate			1.00%
Credit facility, borrowing rate			0.0245%
Credit Facility maturity date			Aug. 20, 2018
Minimum [Member]
Debt Instrument [Line Items]
Credit facility, interest rate margin above base rate			0.50%
Credit facility, interest rate margin above LIBOR rate			1.50%
Maximum [Member]
Debt Instrument [Line Items]
Credit facility, interest rate margin above base rate			1.50%
Credit facility, interest rate margin above LIBOR rate			2.50%
Senior Notes [Member]
Debt Instrument [Line Items]
Senior notes amount outstanding	$ 300,000,000		$ 300,000,000
Issue price percentage of senior notes of the principal amount	100.00%
Percentage of interest rate on notes	6.375%
Maturity date of senior notes	Aug. 15, 2020
License Agreement [Member]
Debt Instrument [Line Items]
Financed internally-used software			$ 16,100,000
License agreement period			3 years
Annual payments due date			May of 2017
Total other liabilities			$ 12,800,000
Other current liabilities			5,800,000
Other noncurrent liabilities			7,000,000
Revolving Credit Facility
Debt Instrument [Line Items]
Unused borrowings			250,000,000
Credit facilities, maximum borrowing capacity		$ 250,000,000
Credit facilities, maturity		5 years
Term Credit Facility [Member]
Debt Instrument [Line Items]
Line of credit facility amount outstanding			$ 484,400,000
Credit facilities, maximum borrowing capacity		$ 650,000,000
Credit facilities, maturity		5 years
Parent Company and Domestic Subsidiaries [Member]
Debt Instrument [Line Items]
Percentage of capital stock pledged as collateral			100.00%
Foreign Subsidiaries [Member]
Debt Instrument [Line Items]
Percentage of capital stock pledged as collateral			65.00%