Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 29, 30
-Article 5

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

STOCKHOLDERS' EQUITY - STOCK REPURCHASE PROGRAM (Details) - USD ($)	12 Months Ended
	Mar. 31, 2016	Dec. 01, 2014	May. 07, 2013	Aug. 02, 2012
Fourth Stock Repurchase Program
Stock Repurchase Program
Authorized amount of repurchase of common stock				$ 35,000,000
Fifth Stock Repurchase Program
Stock Repurchase Program
Authorized amount of repurchase of common stock		$ 50,000,000	$ 35,000,000
Stock Repurchase Program
Stock Repurchase Program
Number of shares repurchased under the stock repurchase program	88,056
Average price of repurchased shares of stock (in dollars per share)	$ 35.56
Remaining balance available under the program to repurchase shares	$ 10,355,000