Debt (Detail) (Senior Credit Facilities, USD $) In Thousands, unless otherwise specified	Jun. 28, 2013	Dec. 31, 2012
Debt Instrument [Line Items]
Debt long term and short term	$ 95,250	$ 50,000
Term Loan
Debt Instrument [Line Items]
Debt long term and short term	46,250	50,000
Revolving Credit Facility
Debt Instrument [Line Items]
Debt long term and short term	$ 49,000

Represents the aggregate of total long-term debt, including current maturities and short-term debt.

No definition available.

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