Consolidated Statements of Income (Unaudited) (Parenthetical) - $ / shares	3 Months Ended			6 Months Ended
	Jun. 24, 2016	Jun. 26, 2015		Jun. 24, 2016	Jun. 26, 2015
Income Statement [Abstract]
Limited partnership interest value	$ 1,000	$ 1,000	[1]	$ 1,000	$ 1,000

[1] 1,000