Financial Instruments (Tables)

6 Months Ended

Jun. 28, 2015

Financial Instruments (Thousands of Dollars) [Abstract]

Schedule of Long-term Debt Instruments

The Company's financial instruments include cash and cash equivalents, accounts receivable, short-term borrowings, accounts payable and certain accrued liabilities. At June 28, 2015, June 29, 2014 and December 28, 2014, the carrying cost of these instruments approximated their fair value. The Company's financial instruments at June 28, 2015, June 29, 2014 and December 28, 2014 also include certain assets and liabilities measured at fair value (see Notes 6 and 8) as well as long-term borrowings. The carrying costs which are equal to the outstanding principal amounts, and fair values of the Company's long-term borrowings as of June 28, 2015, June 29, 2014 and December 28, 2014 are as follows:

	June 28, 2015				June 29, 2014				December 28, 2014
	Carrying Cost		Fair Value		Carrying Cost		Fair Value		Carrying Cost		Fair Value
6.35% Notes Due 2040	$	500,000		557,450		500,000		587,350		500,000		617,700
6.30% Notes Due 2017		350,000		382,235		350,000		396,725		350,000		387,660
5.10% Notes Due 2044		300,000		287,010		300,000		307,950		300,000		316,980
3.15% Notes Due 2021		300,000		301,800		300,000		300,330		300,000		302,700
6.60% Debentures Due 2028		109,895		121,115		109,895		124,687		109,895		128,698
Total long-term debt	$	1,559,895		1,649,610		1,559,895		1,717,042		1,559,895		1,753,738