XML 89 R78.htm IDEA: XBRL DOCUMENT v3.10.0.1

Capital Stock (Share-based Compensation Expense by Category) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Share-Based Compensation Expense [Line Items]
Share-based compensation expense	$ 13.5	$ 27.1	$ 43.7	$ 74.5
Direct operating
Share-Based Compensation Expense [Line Items]
Share-based compensation expense	0.4	0.6	0.8	1.0
Distribution and marketing
Share-Based Compensation Expense [Line Items]
Share-based compensation expense	0.2	0.3	0.3	0.7
General and administration
Share-Based Compensation Expense [Line Items]
Share-based compensation expense	10.5	23.3	40.2	69.9
Restructuring and other
Share-Based Compensation Expense [Line Items]
Share-based compensation expense	$ 2.4	$ 2.9	$ 2.4	$ 2.9

X

- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors, certain consultants qualifying for treatment as employees, including the impact of compensation cost recognized as a result of an occurrence of an event that accelerates its recognition.

+ References

No definition available.

+ Details

Name:	lgfa_ShareBasedCompensationExpenseAfterAcceleratedCompensationCost
Namespace Prefix:	lgfa_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_OperatingExpenseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IncomeStatementLocationAxis=lgfa_DistributionAndMarketingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_GeneralAndAdministrativeExpenseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_RestructuringChargesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: