STOCK-BASED COMPENSATION (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	848,245	558,620	842,471	595,724
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate	0.00%	0.00%	0.00%	0.00%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate	41.51%	44.53%	41.41%	44.67%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate	1.37%	1.77%	1.38%	1.77%
Stock Option Plans [Abstract]
Number of shares available for grant (in shares)	298,553		298,553
Weighted-average fair value at the grant date	$ 10.28	$ 34.38	$ 10.82	$ 34.53
Options Activity [Roll Forward]
Exercised (in shares)			(64,103)		(159,348)
Restricted Stock [Abstract]
Grant date fair value (in dollars per share)			$ 27.84
Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Grant date fair value (in dollars per share)			$ 27.84
Compensation related to stock option and restricted stock plans			$ 4,665,702	$ (12,203,949)
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term	5 years	6 years 1 month 9 days	5 years 9 days	6 years 1 month 14 days
Group B Performance Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Issued During Period, Shares, Share-based Compensation, Gross						56,660	443,700
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures			195,760
Stock Options Plans [Member]
Stock Option Plans [Abstract]
Shares of authorized common stock reserved for issuance (in shares)	4,100,000		4,100,000
Options Activity [Roll Forward]
Options outstanding, beginning of year (in shares)			1,083,767
Granted (in shares)			112,400
Exercised (in shares)			(64,103)
Forfeited (in shares)			(119,677)
Expired (in shares)			(9,958)
Options outstanding, end of period (in shares)	1,002,429		1,002,429		1,083,767
Options exercisable, end of period (in shares)	488,081		488,081
Weighted Average Exercise Price [Roll Forward]
Options outstanding, beginning of year (in dollars per share)			$ 69.15
Granted (in dollars per share)			28.45
Exercised (in dollars per share)			43.24
Forfeited (in dollars per share)			72.92
Expired (in dollars per share)			61.43
Options outstanding, end of period (in dollars per share)	$ 65.87		65.87		$ 69.15
Options exercisable, end of period (in dollars per share)	$ 64.96		$ 64.96
Stock Option Activity Additional Disclosures [Abstract]
Weighted-average remaining contractual term, Options outstanding, end of period			7 years 15 days
Weighted-average remaining contractual terms, Options exercisable, end of period			5 years 9 months 18 days
Aggregate intrinsic value, Options outstanding, end of period	$ 1,803,974		$ 1,803,974
Aggregate intrinsic value, Options exercisable, end of period	702,630		702,630
Intrinsic value of options exercised	153,726	$ 2,534,147	2,107,301	$ 2,973,627
Compensation Cost Not yet Recognized [Abstract]
Total unrecognized stock-based compensation expense related to non-vested stock options	10,900,000		$ 10,900,000
Weighted average period for recognition			2 years 9 months
Schedule of vesting of restricted shares on basis of compounded annual EPS growth [Abstract]
Weighted average period for recognition			2 years 9 months
Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Compensation related to stock option and restricted stock plans	(1,719,236)	(2,645,017)	$ (3,226,766)	(6,538,234)
Group A Performance Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Issued During Period, Shares, Share-based Compensation, Gross						8,590	70,800
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Issued During Period, Shares, Share-based Compensation, Gross			67,550
Restricted Stock [Abstract]
Grant date fair value (in dollars per share)			$ 27.84
Schedule of vesting of restricted shares on basis of compounded annual EPS growth [Abstract]
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Share-based Awards Other than Options	$ 1,600,000		$ 1,600,000
Summary of the status and changes in restricted stock [Roll Forward]
Outstanding at Beginning of Year (in shares)			433,750
Awards granted (in shares)			67,550
Vested during the period, net of cancellations (in shares)			(91,140)
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited			(149,250)
Outstanding at End of Period (in shares)	260,910		260,910		433,750
Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Outstanding at March 31, 2012 (in dollars per share)			$ 76.84
Grant date fair value (in dollars per share)			27.84
Vested during the period, net of cancellations (in dollars per share)			76.02
Cancelled during the period (in dollars per share)			74.10
Outstanding at June 30, 2012 (in dollars per share)	$ 66.01		$ 66.01		$ 76.84
Compensation related to stock option and restricted stock plans	$ 300,000	(2,000,000)	$ (6,000,000)	(6,000,000)
Restricted Stock [Member] | EPS Target [Member] | $10.29 EPS [Member]
Schedule of vesting of restricted shares on basis of compounded annual EPS growth [Abstract]
Vesting Percentage (in hundredths)			100.00%
EPS Target			$ 10.29
Restricted Stock [Member] | EPS Target [Member] | $9.76 EPS [Member]
Schedule of vesting of restricted shares on basis of compounded annual EPS growth [Abstract]
Vesting Percentage (in hundredths)			67.00%
EPS Target			$ 9.76
Restricted Stock [Member] | EPS Target [Member] | $9.26 EPS [Member]
Schedule of vesting of restricted shares on basis of compounded annual EPS growth [Abstract]
Vesting Percentage (in hundredths)			33.00%
EPS Target			$ 9.26
Restricted Stock [Member] | EPS Target [Member] | Below $9.26 EPS [Member]
Schedule of vesting of restricted shares on basis of compounded annual EPS growth [Abstract]
Vesting Percentage (in hundredths)			0.00%
EPS Target			$ 9.26
Restricted Stock [Member] | Trailing Four Quarter EPS Target [Member] | $13.00 [Member]
Schedule of vesting of restricted shares on basis of compounded annual EPS growth [Abstract]
Vesting Percentage (in hundredths)			25.00%
EPS Target			$ 13.00
Restricted Stock [Member] | Trailing Four Quarter EPS Target [Member] | $14.50 [Member]
Schedule of vesting of restricted shares on basis of compounded annual EPS growth [Abstract]
Vesting Percentage (in hundredths)			25.00%
EPS Target			$ 14.50
Restricted Stock [Member] | Trailing Four Quarter EPS Target [Member] | $16.00 [Member]
Schedule of vesting of restricted shares on basis of compounded annual EPS growth [Abstract]
Vesting Percentage (in hundredths)			25.00%
EPS Target			$ 16.00
Restricted Stock [Member] | Trailing Four Quarter EPS Target [Member] | $18.00 [Member]
Schedule of vesting of restricted shares on basis of compounded annual EPS growth [Abstract]
Vesting Percentage (in hundredths)			25.00%
EPS Target			$ 18.00
Equity Securities [Member]
Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Compensation related to stock option and restricted stock plans	(2,066,101)	$ (4,663,792)	$ 2,822,361	$ (12,507,767)
Performance Shares [Member]
Compensation Cost Not yet Recognized [Abstract]
Weighted average period for recognition			2 years 9 months
Schedule of vesting of restricted shares on basis of compounded annual EPS growth [Abstract]
Weighted average period for recognition			2 years 9 months
Unrecognized compensation cost related to unvested restricted stock awards granted	$ 11,600,000		$ 11,600,000
Maximum [Member] | Stock Options Plans [Member]
Stock Option Plans [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period			10 years
Vesting period			5 years
Unusual or Infrequent Item [Member]
Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Compensation related to stock option and restricted stock plans			$ 3,700,000
Unusual or Infrequent Item [Member] | $14.50 [Member]
Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Compensation related to stock option and restricted stock plans			$ 6,000,000