Stockholders' Equity (Details 4) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 02, 2013
Vested Options
Griffin Stock Option Plan
Outstanding at ending of the year (in shares)	108,786
Weighted Avg. Exercise Price (in dollars per share)	$ 30.84
Weighted Avg. Contractual Life	5 years 1 month 6 days
Total Intrinsic Value	$ 162
Nonvested Options
Griffin Stock Option Plan
Outstanding at ending of the year (in shares)	135,055
Weighted Avg. Exercise Price (in dollars per share)	$ 29.10
Weighted Avg. Contractual Life	7 years 8 months 12 days
Total Intrinsic Value	107
$11.00-$12.00 | Vested Options
Griffin Stock Option Plan
Exercise prices, low end of range (in dollars per share)	$ 11.00
Exercise prices, high end of range (in dollars per share)	$ 12.00
Outstanding at ending of the year (in shares)	6,776
Weighted Avg. Exercise Price (in dollars per share)	$ 11.81
Weighted Avg. Contractual Life	2 months 12 days
Total Intrinsic Value	119
$23.00-$32.00 | Vested Options
Griffin Stock Option Plan
Exercise prices, low end of range (in dollars per share)	$ 23.00
Exercise prices, high end of range (in dollars per share)	$ 32.00
Outstanding at ending of the year (in shares)	28,934
Weighted Avg. Exercise Price (in dollars per share)	$ 28.38
Weighted Avg. Contractual Life	4 years 3 months 18 days
Total Intrinsic Value	43
$32.00-$39.00 | Vested Options
Griffin Stock Option Plan
Exercise prices, low end of range (in dollars per share)	$ 32.00
Exercise prices, high end of range (in dollars per share)	$ 39.00
Outstanding at ending of the year (in shares)	73,076
Weighted Avg. Exercise Price (in dollars per share)	$ 33.58
Weighted Avg. Contractual Life	5 years 10 months 24 days
$23.00-$29.00 | Nonvested Options
Griffin Stock Option Plan
Exercise prices, low end of range (in dollars per share)	$ 23.00
Exercise prices, high end of range (in dollars per share)	$ 29.00
Outstanding at ending of the year (in shares)	115,056
Weighted Avg. Exercise Price (in dollars per share)	$ 28.41
Weighted Avg. Contractual Life	8 years
Total Intrinsic Value	$ 107
$33.00-$35.00 | Nonvested Options
Griffin Stock Option Plan
Exercise prices, low end of range (in dollars per share)	$ 33.00
Exercise prices, high end of range (in dollars per share)	$ 35.00
Outstanding at ending of the year (in shares)	19,999
Weighted Avg. Exercise Price (in dollars per share)	$ 33.07
Weighted Avg. Contractual Life	5 years 10 months 24 days