Fair Value Measurements of Financial Instruments (Tables)

12 Months Ended

Dec. 29, 2012

Fair Value Disclosures [Abstract]

Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis Table

Assets measured at fair value for the year ended December 29, 2012 were as follows:

(in thousands)	Fair value as of measurement date			Quoted prices in active markets for identical assets (Level 1)		Significant other observable inputs (Level 2)			Significant unobservable inputs (Level 3)
Government securities	$	15,295		$	—	$	15,295		$	—
Corporate bonds	$	5,061		$	—	$	5,061		$	—
Derivative financial instrument	$	(119	)	$	—	$	(119	)	$	—

Assets measured at fair value for the year ended December 31, 2011 were as follows:

(in thousands)	Fair value as of measurement date			Quoted prices in active markets for identical assets (Level 1)		Significant other observable inputs (Level 2)			Significant unobservable inputs (Level 3)
Government securities	$	15,863		$	—	$	15,863		$	—
Corporate bonds	$	3,751		$	—	$	3,751		$	—
Derivative financial instrument	$	(91	)	$	—	$	(91	)	$	—

Assets measured at fair value for the Corporation’s fiscal year ended January 1, 2011 were as follows:

(in thousands)	Fair value as of measurement date			Quoted prices in active markets for identical assets (Level 1)		Significant other observable inputs (Level 2)			Significant unobservable inputs (Level 3)
Investment in target funds	$	705		$	—	$	705		$	—
Government securities	$	8,364		$	—	$	8,364		$	—
Corporate bonds	$	1,243		$	—	$	1,243		$	—
Derivative financial instrument	$	(630	)	$	—	$	(630	)	$	—