Earnings per Unit (Tables)

6 Months Ended

Jun. 29, 2014

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				Six months ended						Twelve months ended
	6/29/2014		6/30/2013		6/29/2014			6/30/2013			6/29/2014		6/30/2013
	(In thousands except per unit amounts)
Basic weighted average units outstanding	55,419		55,484		55,453			55,464			55,470		55,446
Effect of dilutive units:
Unit options and restricted unit awards	325		152		—			—			253		84
Phantom units	80		186		—			—			144		261
Diluted weighted average units outstanding	55,824		55,822		55,453			55,464			55,867		55,791
Net income per unit - basic	$	0.79	$	0.85	$	(0.71	)	$	(1.11	)	$	2.35	$	1.24
Net income per unit - diluted	$	0.79	$	0.85	$	(0.71	)	$	(1.11	)	$	2.33	$	1.24