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STOCKHOLDERS' EQUITY (Details 2) (USD $)
 12 Months Ended
Mar. 31, 2015
Aug. 02, 2012
Dec. 01, 2014
May 07, 2013
Fourth Stock Repurchase Program        
Stock Repurchase Program        
Authorized amount of repurchase of common stock   $ 35,000,000us-gaap_StockRepurchaseProgramAuthorizedAmount1
/ us-gaap_ShareRepurchaseProgramAxis
= asei_FourthStockRepurchaseProgramMember		    
Fifth Stock Repurchase Program        
Stock Repurchase Program        
Authorized amount of repurchase of common stock     50,000,000us-gaap_StockRepurchaseProgramAuthorizedAmount1
/ us-gaap_ShareRepurchaseProgramAxis
= asei_FifthStockRepurchaseProgramMember		 35,000,000us-gaap_StockRepurchaseProgramAuthorizedAmount1
/ us-gaap_ShareRepurchaseProgramAxis
= asei_FifthStockRepurchaseProgramMember
Stock Repurchase Program        
Stock Repurchase Program        
Number of shares repurchased under the stock repurchase program 743,099us-gaap_StockRepurchasedDuringPeriodShares
/ us-gaap_ShareRepurchaseProgramAxis
= asei_StockRepurchaseProgramMember		      
Average price of repurchased shares of stock (in dollars per share) $ 49.08asei_StockRepurchasedDuringPeriodValuePerShare
/ us-gaap_ShareRepurchaseProgramAxis
= asei_StockRepurchaseProgramMember		      
Remaining balance available under the program to repurchase shares $ 13,490,000us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
/ us-gaap_ShareRepurchaseProgramAxis
= asei_StockRepurchaseProgramMember