Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
NET INCOME
Consolidated Legg Mason, Inc.
NET INCOME	(206,390)	168,546	$ (46,952)	$ 319,707
Other comprehensive income (loss):
Foreign currency translation adjustment	(14,012)	190	(82,032)	32,303
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax	354	123	1,447	363
Total other comprehensive income (loss)	(13,658)	313	(80,585)	32,666
COMPREHENSIVE INCOME	(220,048)	168,859	(127,537)	352,373
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest	11,425	19,634	36,052	42,401
COMPREHENSIVE INCOME ATTRIBUTABLE TO LEGG MASON, INC.	$ (231,473)	$ 149,225	$ (163,589)	$ 309,972