Segment Information (Reconciliation Of Total Segment Profit To The Company's Income Before Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2014		Sep. 30, 2013
Segment Reporting [Abstract]
Company’s total segment profit	$ 71,883		$ 71,893		$ 164,298		$ 144,276
Shared services and corporate expenses:
Share-based compensation expense	(17,322)		(22,388)		(33,743)		(40,135)
Restructuring charges	(1,354)	[1]	0	[1]	(6,242)	[1]	0	[1]
Other shared services and corporate expenses	(21,088)		(21,849)		(43,084)		(41,432)
Total shared services and corporate expenses	(39,764)		(44,237)		(83,069)		(81,567)
Depreciation and amortization	(1,631)		(1,611)		(2,977)		(3,236)
Operating income	30,488		26,045		78,252		59,473
Interest expense	(13,071)		(16,172)		(26,043)		(36,986)
Interest and other income	547		1,483		1,565		2,979
Loss on extinguishment of debt	(586)		(36,187)		(586)		(36,653)
Equity interests income	8,245		6,502		26,455		14,479
Income (loss) before income taxes	25,623		(18,329)		79,643		3,292
Non-cash charges resulting from the acceleration of vesting of stock awards	$ 0	[2]	$ 0	[2]	$ 1,194	[2]	$ 0	[2]

[1] Restructuring charges in the six months ended September 30, 2014 primarily consist of severance costs associated with the integration of the marketing operations of the Company's Lionsgate and Summit film labels and costs related to the move of our international sales and distribution organization to the United Kingdom. Approximately $1.2 million of the costs are non-cash charges resulting from the acceleration of vesting of stock awards (see Note 11).

[2] Represents the impact of the acceleration of certain vesting schedules for stock options and restricted share units pursuant to the severance arrangements related to the integration of the marketing operations of the Company's Lionsgate and Summit film labels.