Subsequent Events (Details) (USD $)	0 Months Ended	3 Months Ended				9 Months Ended		12 Months Ended	84 Months Ended	0 Months Ended
	Oct. 10, 2012	Sep. 23, 2012	Mar. 25, 2012	Dec. 25, 2011	Sep. 25, 2011	Sep. 23, 2012	Sep. 25, 2011	Dec. 25, 2011	Dec. 25, 2011	Oct. 10, 2012 Subsequent Event [Member]	Oct. 01, 2012 Subsequent Event [Member] Banking Security Systems Integration business unit [Member]	Oct. 01, 2012 Subsequent Event [Member] Banking Security Systems Integration business unit [Member] Maximum [Member]	Oct. 01, 2012 Subsequent Event [Member] Banking Security Systems Integration business unit [Member] Minimum [Member]
Subsequent Event [Line Items]
Divestiture of business, sale price											$ 3,500,000
Divestiture of business, working capital adjustment, basis											2,500,000
Cash proceeds from divestiture of business											1,500,000
Proceeds from divestiture of business, promissory note, amount											1,600,000
Proceeds from divestiture of business, promissory note, variable rate basis											30 day LIBOR
Proceeds from Divestiture of Business, promissory note, basis spread on variable rate											5.50%
Divestiture of business, contingent consideration, potential cash payment												900,000
Divestiture of business, contingent consideration, basis for amount, revenues													10,000,000
Divestiture of business, contingent consideration, payment percentage											10.00%
Total amount of expense for all years of fraud activities			745,000					900,000	5,200,000
Amount of income of fraud activities, net of recovery				1,100,000				200,000
Amount of expense of fraud activities, net of recovery	$ 4,700,000	$ 0	$ 745,000		$ 289,000	$ 745,000	$ 587,000		$ 4,100,000	$ 4,700,000