Changes to Accumulated Other Comprehensive Loss, Net of Income Tax, By Component (Detail) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jul. 18, 2015	Jul. 12, 2014	Jul. 18, 2015	Jul. 12, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive (loss), beginning balance				$ (98,020)	$ (62,515)
Other comprehensive income before reclassifications				1,390	(900)
Reclassified to earnings from accumulated other comprehensive loss	[1]	$ 1,808	$ 566	4,138	3,804
Accumulated other comprehensive income (loss), ending balance		(92,492)	(59,611)	(92,492)	(59,611)
Gains/Losses on Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive (loss), beginning balance				(11,408)	(11,416)
Other comprehensive income before reclassifications				1,390	(900)
Reclassified to earnings from accumulated other comprehensive loss				2,838	3,514
Accumulated other comprehensive income (loss), ending balance		(7,180)	(8,802)	(7,180)	(8,802)
Defined Benefit Pension Plan Items
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive (loss), beginning balance				(86,612)	(51,099)
Reclassified to earnings from accumulated other comprehensive loss				1,300	290
Accumulated other comprehensive income (loss), ending balance		$ (85,312)	$ (50,809)	$ (85,312)	$ (50,809)

[1] Amounts in parentheses indicate debits to determine net income.