Fair value measurement (Tables)

9 Months Ended

Sep. 25, 2011

Financial Instruments Measured at Fair Value

The following table summarizes the Company’s assets and liabilities measured at fair value in the accompanying condensed consolidated balance sheet as of September 25, 2011 and December 26, 2010:

(in thousands of dollars)
	Fair Value Measurements as of Sept. 25, 2011
	Level 1		Level 2		Level 3		Total
Employee compensation related investments	$	15,872	$	—	$	—	$	15,872
Rabbi trust investments	$	24,667	$	—	$	—	$	24,667
Total assets	$	40,539	$	—	$	—	$	40,539
Contingent consideration payablea	$	—	$	—	$	17,842	$	17,842
Total liabilities	$	—	$	—	$	17,842	$	17,842

^a Under certain acquisition agreements entered into during 2011, the Company has agreed to pay the sellers earn-outs based on the financial performance of the businesses acquired. Contingent consideration payable in the table above represents the estimated fair value of future earn-outs payable under such agreements. The fair value of the contingent payments was measured based on the present value of the consideration expected to be transferred. The Company recognized a credit to expense of less than $1 million in its results for the thirteen and thirty-nine weeks ended September 25, 2011 related to the updating of the fair value measurement of its contingent considerations.

	Fair Value Measurements as of Dec. 26, 2010
	Level 1		Level 2		Level 3		Total
Employee compensation related investments	$	15,976	$	—	$	—	$	15,976
Rabbi trust investments	$	26,902	$	—	$	—	$	26,902
Total assets	$	42,878	$	—	$	—	$	42,878