Consolidated Condensed Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 18, 2011	Jun. 19, 2010	Jun. 18, 2011	Jun. 19, 2010
Consolidated Condensed Statements of Operations [Abstract]
Revenue	$ 310,139	$ 258,199	$ 641,012	$ 543,096
Cost of goods sold	188,022	154,093	381,096	320,420
Restructuring and other transition costs		425		1,406
Gross profit	122,117	103,681	259,916	221,270
Selling, general and administrative expenses	88,751	76,720	177,080	155,260
Restructuring and other transition costs		2,311		2,828
Operating profit	33,366	24,650	82,836	63,182
Other expenses:
Interest expense (income)- net	129	(4)	354	85
Other expense - net	973	395	393	165
TOTAL OTHER EXPENSES (INCOME)	1,102	391	747	250
Earnings before income taxes	32,264	24,259	82,089	62,932
Income taxes	8,301	7,037	22,246	18,251
Net earnings	$ 23,963	$ 17,222	$ 59,843	$ 44,681
Net earnings per share (see Note 2):
Basic	$ 0.49	$ 0.35	$ 1.23	$ 0.91
Diluted	$ 0.48	$ 0.35	$ 1.20	$ 0.89
Cash dividends declared per share	$ 0.12	$ 0.11	$ 0.24	$ 0.22