Fair value measurement (Tables)

12 Months Ended

Dec. 31, 2015

Fair Value Disclosures [Abstract]

Financial Instruments Measured at Fair Value

The financial instruments measured at fair value in the accompanying Consolidated Balance Sheets consist of the following:

Company Owned Assets
In thousands of dollars
Fair value measurement as of Dec. 31, 2015
	Level 1		Level 2		Level 3		Total
Assets:
Deferred compensation investments	$	77,199	$	—	$	—	$	77,199
Available for sale investment	28,090		—		—		28,090
Total Assets	$	105,289	$	—	$	—	$	105,289

In thousands of dollars
Fair value measurement as of Dec. 28, 2014
	Level 1		Level 2		Level 3		Total
Assets:
Deferred compensation investments	$	65,950	$	—	$	—	$	65,950
Total Assets	$	65,950	$	—	$	—	$	65,950
Liabilities:
Contingent consideration payable	$	—	$	—	$	8,936	$	8,936
Total Liabilities	$	—	$	—	$	8,936	$	8,936

Fair Value of Pension Plan Assets by Level within Fair Value Hierarchy

The following tables set forth the fair values of our pension plans assets by level within the fair value hierarchy:

Pension Plan Assets/Liabilities
In thousands of dollars
Fair value measurement as of Dec. 31, 2015
	Level 1		Level 2		Level 3		Total
Assets:
Cash and other	$	1,098	$	—	$	—	$	1,098
Corporate stock	58,291		—		—		58,291
Corporate bonds	—		99		—		99
Interest in common/collective trusts:
Equities	—		172,046		—		172,046
Fixed income	—		135,914		—		135,914
Interest in reg. invest. companies	6,659		—		—		6,659
Partnership/joint venture interests			2,432		9,364		11,796
Hedge funds	—		—		14,290		14,290
Total net fair value of plan assets	$	66,048	$	310,491	$	23,654	$	400,193

In thousands of dollars
Fair value measurement as of Dec. 28, 2014(a)
	Level 1			Level 2			Level 3			Total
Assets:
Cash and other	$	5,493		$	218		$	—		$	5,711
Corporate stock	57,875			—			—			57,875
Fixed income:
U.S. government-related securities	—			260			—			260
Mortgage backed securities	—			260			6			266
Other government bonds	—			296			—			296
Corporate bonds	—			1,601			25			1,626
Interest in common/collective trusts:
Equities	—			196,924			—			196,924
Fixed income	—			93,400			—			93,400
Interest in reg. invest. companies	8,199			—			—			8,199
Interest in 103-12 investments	—			1,583			—			1,583
Partnership/joint venture interests	—			2,374			7,615			9,989
Hedge funds	—			—			11,589			11,589
Derivative contracts	8			173			8			189
Total	$	71,575		$	297,089		$	19,243		$	387,907
Liabilities:
Derivative liabilities	$	(8	)	$	(142	)	$	(131	)	$	(281	)
Total net fair value of plan assets	$	71,567		$	296,947		$	19,112		$	387,626

(a) We use a Dec. 31 measurement date for our retirement plans.