Earnings per Unit (Tables)

9 Months Ended

Sep. 25, 2016

Earnings Per Unit [Abstract]

Net income (loss) per limited partner unit

Net income per limited partner unit is calculated based on the following unit amounts:

	Three months ended				Nine months ended
	9/25/2016		9/27/2015		9/25/2016		9/27/2015
	(In thousands, except per unit amounts)
Basic weighted average units outstanding	55,948		55,770		55,922		55,721
Effect of dilutive units:
Deferred units	33		21		30		15
Performance units	—		—		43		9
Restricted units	253		365		266		271
Unit options	131		126		131		102
Phantom units	—		—		—		23
Diluted weighted average units outstanding	56,365		56,282		56,392		56,141
Net income per unit - basic	$	3.13	$	2.94	$	3.30	$	2.47
Net income per unit - diluted	$	3.10	$	2.92	$	3.27	$	2.46