Consolidate net leverage ratio calculated per terms of the Credit Agreement.

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- Definition

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

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No definition available.

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- Definition

Debt Instrument Interest Additional Interest Above Federal Fund Rate

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- Definition

Debt Instrument Interest Additional Interest Above One Month LIBOR Rate

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No definition available.

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Debt Instrument Issue Price Percentage Of Principal Amount

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No definition available.

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- Definition

Payment due date for debt instrument.

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No definition available.

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- Definition

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

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No definition available.

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- Definition

Total amount financed for license of internally used software.

+ References

No definition available.

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- Definition

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

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No definition available.

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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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No definition available.

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- Definition

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

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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.

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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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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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- Definition

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.

+ References

No definition available.

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- Definition

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.

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

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
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-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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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.

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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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- 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.

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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount of current assets classified as other.

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Amount of noncurrent assets classified as other.

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Amount of liabilities classified as other.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Section S99
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-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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Amount of long-term debt classified as other, payable after one year or the operating cycle, if longer.

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Amount of long-term notes classified as other, payable within one year or the normal operating cycle, if longer.

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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 ($)					12 Months Ended
Debt - Additional Information (Detail) - USD ($)	Feb. 24, 2017	Oct. 26, 2016	Aug. 20, 2013	Nov. 10, 2011	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2012	Nov. 02, 2016	Sep. 30, 2016	Feb. 29, 2016
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 December 31, 2016 for the Credit Facility was 3.27%.
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					3.27%
Other current assets					$ 33,578,000	$ 21,637,000
Current portion of long-term debt					90,323,000	89,710,000
Other noncurrent assets					39,054,000	33,658,000
Long-term debt					653,595,000	834,449,000
Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility amount outstanding					88,000,000
Unused borrowings					154,500,000
Credit facilities, maximum borrowing capacity										$ 250,000,000
Current borrowing capacity due letter of credit										242,500,000
Term Credit Facility [Member]
Debt Instrument [Line Items]
Line of credit facility amount outstanding					365,300,000
Letters of Credit
Debt Instrument [Line Items]
Unused borrowings					7,500,000
Credit facilities, maximum borrowing capacity		$ 7,500,000								$ 25,000,000
Credit Facility maturity date		Jun. 30, 2017
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. 20, 2020		Aug. 15, 2020
ASU 2015-03 [Member] \| Restatement Adjustment
Debt Instrument [Line Items]
Other current assets						(5,600,000)
Current portion of long-term debt						(5,600,000)
Other noncurrent assets						(8,800,000)
Long-term debt						(8,800,000)
Credit Agreement
Debt Instrument [Line Items]
Consolidated Net Leverage Ratio								400.00%	375.00%
Credit Agreement \| Minimum
Debt Instrument [Line Items]
Credit facility, interest rate margin above base rate					0.50%
Credit facility, interest rate margin above LIBOR rate					1.50%
Credit Agreement \| Maximum
Debt Instrument [Line Items]
Credit facility, interest rate margin above base rate					1.50%
Credit facility, interest rate margin above LIBOR rate					2.50%
Credit Agreement \| Revolving Credit Facility
Debt Instrument [Line Items]
Credit facilities, maximum borrowing capacity				$ 250,000,000
Credit facilities, maturity				5 years
Credit Facility maturity date				Aug. 20, 2018
Credit Agreement \| Term Credit Facility [Member]
Debt Instrument [Line Items]
Credit facilities, maximum borrowing capacity				$ 650,000,000
Credit facilities, maturity				5 years
Credit Facility maturity date				Aug. 20, 2018
Amended Credit Agreement \| Subsequent Event
Debt Instrument [Line Items]
Credit Facility maturity date	Feb. 24, 2022
Amended Credit Agreement \| Revolving Credit Facility \| Subsequent Event
Debt Instrument [Line Items]
Credit facilities, maximum borrowing capacity	$ 500,000,000
Amended Credit Agreement \| Term Credit Facility [Member] \| Subsequent Event
Debt Instrument [Line Items]
Credit facilities, maximum borrowing capacity	$ 415,000,000
Five-year License Agreement [Member]
Debt Instrument [Line Items]
Financed internally-used software							$ 14,800,000
License agreement period							5 years
Annual payments due date					Through April 2016
Three-year License Agreement [Member]
Debt Instrument [Line Items]
Financed internally-used software						$ 20,400,000
License agreement period						3 years
Annual payments due date					Through November 2018
Total other liabilities					$ 9,000,000	$ 20,200,000
Other current liabilities					7,300,000	11,700,000
Other noncurrent liabilities					$ 1,700,000	$ 8,500,000
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%