Subsequent Events (Narratives) (Details)	12 Months Ended
	Mar. 31, 2018 $ / shares
Dividend declared [Abstract]
Dividends payable, date declared	Mar. 08, 2018
Dividend paid, amount per share	$ 0.5
Dividends payable, date of record	Mar. 23, 2018
Dividends payable, date to be paid	Apr. 06, 2018