Note F - Business Combinations (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended
	Jul. 31, 2013 ECA [Member]	Sep. 30, 2012 Symbiotic Engineering [Member]	Feb. 29, 2012 GHK [Member]	Dec. 31, 2011 Ironworks [Member]
Note F - Business Combinations (Details) [Line Items]
Business Acquisition, Effective Date of Acquisition	Jul. 31, 2013	Sep. 30, 2012	Feb. 29, 2012
Payments to Acquire Businesses, Gross (in Dollars)				$ 101.9