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Inventories (Merchandise Inventories) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 28, 2013
Dec. 29, 2012
Inventories Disclosure [Abstract]    
LIFO Inventory Amount $ 187,178 $ 187,847
Weighted Average Cost Inventory Amount 53,274 57,396
Inventories 240,452 245,243
Excess of Replacement or Current Costs over Stated LIFO Value $ 79,022 $ 78,330