Employee Retirement Benefit Plans - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	6 Months Ended
Jun. 29, 2012
Defined Contribution Benefit Plans [Line Items]
Payment to pension trust made during period	$ 727
Payment to pension trust scheduled for the remainder of fiscal year	1,305
Payment to pension trust expected in early 2013	412
Expected employer contribution to Supplemental Executive Retirement Plan	$ 531

The amount of payments made for which participants are entitled under a pension plan, including pension benefits, death benefits, and benefits due on termination of employment. Also includes payments made under a postretirement benefit plan, including prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. This item represents a periodic decrease to the plan obligations and a decrease to plan assets.

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

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+ Details