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Debt - Additional Information (Detail) (USD $)	3 Months Ended	9 Months Ended	12 Months Ended			9 Months Ended	3 Months Ended	9 Months Ended		0 Months Ended				9 Months Ended						0 Months Ended			0 Months Ended	9 Months Ended
	Mar. 31, 2013	Sep. 30, 2013	Dec. 31, 2012	Mar. 13, 2013	Mar. 13, 2013 Letter of Credit	Sep. 30, 2013 Non-US lines of credit	Sep. 30, 2013 Interest Rate Swap	Sep. 30, 2013 Interest Rate Swap	Mar. 13, 2013 Interest Rate Swap	Mar. 13, 2012 Term Loan	Mar. 13, 2013 Term Loan	Feb. 22, 2012 Term Loan	Feb. 22, 2012 ABL Facility	Sep. 30, 2013 ABL Facility Minimum	Sep. 30, 2013 ABL Facility Maximum	Sep. 30, 2013 ABL Facility Base Rate Borrowings Minimum	Sep. 30, 2013 ABL Facility Base Rate Borrowings Maximum	Sep. 30, 2013 ABL Facility Libor Borrowings Minimum	Sep. 30, 2013 ABL Facility Libor Borrowings Maximum	Mar. 13, 2012 Revolving Credit Facility	Sep. 30, 2013 Revolving Credit Facility	Mar. 13, 2013 Revolving Credit Facility	Mar. 13, 2012 Senior Secured Credit Facility	Sep. 30, 2013 Senior Secured Credit Facility	Sep. 30, 2013 Senior Secured Credit Facility Year 1 of the senior secured credit facility amortization schedule	Sep. 30, 2013 Senior Secured Credit Facility Year 2 of the senior secured credit facility amortization schedule	Sep. 30, 2013 Senior Secured Credit Facility Year 3 of the senior secured credit facility amortization schedule	Sep. 30, 2013 Senior Secured Credit Facility Year 4 of the senior secured credit facility amortization schedule	Sep. 30, 2013 Senior Secured Credit Facility Thereafter of the senior secured credit facility amortization schedule
Debt Instrument [Line Items]
Secured credit facility				$ 225,000,000	$ 50,000,000	$ 15,100,000					$ 75,000,000		$ 100,000,000.0									$ 150,000,000
Line of credit facility, amount outstanding		52,500,000										215,000,000
Line of credit facility, term										5 years										5 years			5 years
Breakage fees and premiums			4,200,000
Term loan principal payment commencement date																								Jun. 30, 2013
Line of credit facility, percentage of original term loan amount to be repaid																									7.50%	10.00%	10.00%	12.50%	12.50%
Line of credit facility maturity date																								Mar. 13, 2018
Base rate borrowings margin ranges																1.00%	2.00%	2.00%	3.00%
Commitment fee														0.25%	0.45%
Maximum covenant leverage ratio		3.25
Debt agreement termination costs	8,700,000
Debt early termination penalty payment	4,200,000
Penalty percentage of outstanding balance of term loan	2.75%
Write-off financing cost	4,500,000
Debt issuance cost		1,900,000
Remaining borrowing capacity		29,100,000																			68,400,000
Line of Credit Facility, Increase (Decrease), Net						0
Notional amount of cash flow hedge									75,000,000
Cash flow hedge swap termination date								March 13, 2018
Fair value of swap derivative liabilities		300,000
Unrealized gain (loss) recorded in other comprehensive income							$ (200,000)	$ 300,000

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Breakage fees and premium.

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Debt agreement termination costs.

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Line Of Credit Facility Covenant Terms Leverage Ratio Maximum

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Line Of Credit Facility Early Repayment Penalty

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Line of Credit Facility Percentage of Principal Repayment

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Percentage Of Debt Instrument Principal Outstanding

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Principal Payment Commencement Date

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Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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

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

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

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Amount of write-off of deferred financing costs and debt discounts related to prepetition debt obligations.

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Fair value before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

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Amount borrowed under the credit facility as of the balance sheet date.

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Period remaining on line of credit facility before it terminates, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of increase (decrease) of the credit facility.

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

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The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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Amount before tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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