Long-Term Debt (Tables)

12 Months Ended

Dec. 25, 2016

Long-Term Debt [Abstract]

Schedule of Long-Term Debt Instruments

	2016				2015
	Carrying Cost		Fair Value		Carrying Cost		Fair Value
6.35% Notes Due 2040	$	500,000		584,850		500,000		556,300
6.30% Notes Due 2017		350,000		361,900		350,000		374,045
5.10% Notes Due 2044		300,000		297,600		300,000		286,710
3.15% Notes Due 2021		300,000		300,450		300,000		300,060
6.60% Debentures Due 2028		109,895		123,984		109,895		121,269
Total long-term debt		1,559,895		1,668,784		1,559,895		1,638,384
Less: Current portion		350,000		361,900		—		—
Less: Deferred debt expenses		11,216		—		12,780		—
Long-term debt	$	1,198,679		1,306,884		1,547,115		1,638,384