CAPITALIZATION OF SOFTWARE DEVELOPMENT COSTS (Narrative) (Details) - USD ($)	3 Months Ended	6 Months Ended
	Sep. 30, 2017	Sep. 30, 2017	Oct. 01, 2016	Apr. 01, 2017
Research and Development [Abstract]
Capitalized software development costs for ongoing initiatives	$ 6,400,000	$ 6,400,000
Software costs capitalized, net	69,100,000	69,100,000		$ 62,700,000
Total costs capitalized related to in process software development initiatives	$ 19,100,000	19,100,000		$ 12,700,000
Capitalized software development costs placed into service		$ 0	$ 4,500,000