Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2019	Mar. 31, 2019
Receivables:
Fixed assets, net	$ 144,813	$ 149,989
Operating and Finance Lease, Right-of-Use Asset	308,625	0
Current Liabilities
Long-term Debt, Current Maturities	0	250,301
Operating and FInance Lease, Liability, Current	76,510	0
Operating and Finance Lease Liability, Noncurrent	297,831	0
Long-term debt, net	1,972,092	1,971,451
REDEEMABLE NONCONTROLLING INTERESTS	$ 683,021	$ 692,376
STOCKHOLDERS' EQUITY
Common Stock, Par or Stated Value Per Share	$ 0.10	$ 0.10
Common Stock, Shares Authorized	500,000,000	500,000,000
Common Stock, Shares, Issued	86,783,989	85,556,562
Liability, Defined Benefit Pension Plan, Noncurrent	$ 28,240	$ 33,335
Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member]
Current Assets
Cash and Cash Equivalents	580,874	921,071
Restricted Cash and Cash Equivalents, Current	19,108	21,213
Receivables:
Investment securities	380,165	377,129
Other current assets	80,278	82,131
Other non-current assets	156,484	145,254
Current Liabilities
Other current liabilities	110,236	99,479
Consolidated Investment Vehicles [Member]
Current Assets
Cash and Cash Equivalents	5,274	4,219
Receivables:
Investment securities	162,357	129,627
Other current assets	1,070	1,889
Other non-current assets	6,341	8,993
Current Liabilities
Other current liabilities	16,328	5,742
Consolidated Legg Mason, Inc.
Receivables:
Investment advisory and related fees	455,237	425,470
Other receivables	59,316	57,107
Total Current Assets	1,743,679	2,019,856
Fixed assets, net	144,813	149,989
Intangible assets, net	3,371,440	3,386,759
Goodwill	1,877,609	1,883,554
Deferred income taxes	193,311	199,717
TOTAL ASSETS	7,802,302	7,794,122
Current Liabilities
Accrued compensation	436,798	571,301
Accounts Payable and Accrued Liabilities, Current	145,861	182,921
Total Current Liabilities	785,733	1,109,744
Deferred compensation	102,571	85,548
Deferred income taxes	152,385	123,420
Other non-current liabilities	59,544	122,044
Long-term debt, net	1,972,092	1,971,451
TOTAL LIABILITIES	3,370,156	3,412,207
REDEEMABLE NONCONTROLLING INTERESTS	683,021	692,376
STOCKHOLDERS' EQUITY
Common stock, par value $.10; authorized 500,000,000 shares; issued 85,533,667 shares for December 31, 2018 and 84,606,408 shares for March 31, 2017	8,678	8,556
Additional paid-in capital	2,103,791	2,039,671
Employee stock trust	(20,003)	(21,416)
Deferred compensation employee stock trust	20,003	21,416
Retained Earnings (Accumulated Deficit)	1,777,014	1,742,764
AOCI Including Portion Attributable to Noncontrolling Interest, before Tax	(170,161)	(131,236)
Stockholders' Equity Attributable to Parent	3,719,322	3,659,755
TOTAL STOCKHOLDERS' EQUITY	3,749,125	3,689,539
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	7,802,302	7,794,122
Management Equity Plan [Member] | Royce [Member]
STOCKHOLDERS' EQUITY
Stockholders' Equity Attributable to Noncontrolling Interest	$ 29,803	$ 29,784