Stockholders' Equity (Details 3) (Vested Options, USD $)	6 Months Ended
	Jun. 01, 2013	Jun. 02, 2012
Vested Options
Activity under the Griffin Stock Option Plan
Outstanding at beginning of period (in shares)	80,451	54,075
Exercised (in shares)	(6,776)	(5,322)
Vested (in shares)	34,143	33,801
Outstanding at end of period (in shares)	107,818	82,554
Weighted Avg. Exercise Price
Outstanding at beginning of period (in dollars per share)	$ 29.95	$ 27.08
Exercised (in dollars per share)	$ 11.81	$ 15.03
Vested (in dollars per share)	$ 32.36	$ 32.69
Outstanding at end of period (in dollars per share)	$ 31.86	$ 30.16