STOCKHOLDERS' EQUITY: Share activity related to PSU conversions (Details)	12 Months Ended
	Mar. 31, 2019 shares
Performance Based Restricted Stock Units
Share-based compensation
Units converted, by grant date period (in shares)	(617,101)
Performance Based Restricted Stock Units | Fiscal 2017 PSU
Share-based compensation
Units converted, by grant date period (in shares)	(214,596)
Performance Based Restricted Stock Units | Fiscal 2018 PSU
Share-based compensation
Units converted, by grant date period (in shares)	(185,778)
Performance Based Restricted Stock Units | Fiscal 2019 PSU
Share-based compensation
Units converted, by grant date period (in shares)	(216,727)
Performance Based Restricted Stock Units | Continuing operations
Share-based compensation
Units converted, by grant date period (in shares)	(503,880)
Performance Based Restricted Stock Units | Continuing operations | Fiscal 2017 PSU
Share-based compensation
Units converted, by grant date period (in shares)	(168,378)
Performance Based Restricted Stock Units | Continuing operations | Fiscal 2018 PSU
Share-based compensation
Units converted, by grant date period (in shares)	(148,963)
Performance Based Restricted Stock Units | Continuing operations | Fiscal 2019 PSU
Share-based compensation
Units converted, by grant date period (in shares)	(186,539)
Performance Based Restricted Stock Units | Discontinued Operations
Share-based compensation
Units converted, by grant date period (in shares)	(113,221)
Performance Based Restricted Stock Units | Discontinued Operations | Fiscal 2017 PSU
Share-based compensation
Units converted, by grant date period (in shares)	(46,218)
Performance Based Restricted Stock Units | Discontinued Operations | Fiscal 2018 PSU
Share-based compensation
Units converted, by grant date period (in shares)	(36,815)
Performance Based Restricted Stock Units | Discontinued Operations | Fiscal 2019 PSU
Share-based compensation
Units converted, by grant date period (in shares)	(30,188)
Time Vesting Restricted Stock Units1 [Member]
Share-based compensation
Units converted, by grant date period (in shares)	1,234,202
Time Vesting Restricted Stock Units1 [Member] | Fiscal 2017 PSU
Share-based compensation
Units converted, by grant date period (in shares)	429,192
Time Vesting Restricted Stock Units1 [Member] | Fiscal 2018 PSU
Share-based compensation
Units converted, by grant date period (in shares)	371,556
Time Vesting Restricted Stock Units1 [Member] | Fiscal 2019 PSU
Share-based compensation
Units converted, by grant date period (in shares)	433,454
Time Vesting Restricted Stock Units1 [Member] | Continuing operations
Share-based compensation
Units converted, by grant date period (in shares)	1,007,760
Time Vesting Restricted Stock Units1 [Member] | Continuing operations | Fiscal 2017 PSU
Share-based compensation
Units converted, by grant date period (in shares)	336,756
Time Vesting Restricted Stock Units1 [Member] | Continuing operations | Fiscal 2018 PSU
Share-based compensation
Units converted, by grant date period (in shares)	297,926
Time Vesting Restricted Stock Units1 [Member] | Continuing operations | Fiscal 2019 PSU
Share-based compensation
Units converted, by grant date period (in shares)	373,078
Time Vesting Restricted Stock Units1 [Member] | Discontinued Operations
Share-based compensation
Units converted, by grant date period (in shares)	226,442
Time Vesting Restricted Stock Units1 [Member] | Discontinued Operations | Fiscal 2017 PSU
Share-based compensation
Units converted, by grant date period (in shares)	92,436
Time Vesting Restricted Stock Units1 [Member] | Discontinued Operations | Fiscal 2018 PSU
Share-based compensation
Units converted, by grant date period (in shares)	73,630
Time Vesting Restricted Stock Units1 [Member] | Discontinued Operations | Fiscal 2019 PSU
Share-based compensation
Units converted, by grant date period (in shares)	60,376