Division Information (Reconciliation Of Division Operating Profit To Consolidated Earnings) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 26, 2011
Segment Reporting Information [Line Items]
Operating profit	$ 77,690	$ 18,476
North American Retail Division [Member]
Segment Reporting Information [Line Items]
Operating profit	44,411	57,960
North American Business Solutions Division [Member]
Segment Reporting Information [Line Items]
Operating profit	42,500	16,241
International Division [Member]
Segment Reporting Information [Line Items]
Operating profit	15,216	27,305
North American Retail And Business Solutions And International [Member]
Segment Reporting Information [Line Items]
Operating profit	$ 102,127	$ 101,506