Fair Value Measurements (Tables)

12 Months Ended

Mar. 31, 2018

Fair Value Disclosures [Abstract]

Assets and Liabilities Required to Be Carried At Fair Value on a Recurring Basis

The following table sets forth the assets and liabilities required to be carried at fair value on a recurring basis as of March 31, 2018 and 2017:

	March 31, 2018								March 31, 2017
	Level 1		Level 2			Total			Level 1		Level 2			Total
Assets:	(Amounts in millions)
Available-for-sale securities (see Note 5):
Investment in Next Games	$	7.3	$	—		$	7.3		$	8.0	$	—		$	8.0
Forward exchange contracts (see Note 17)	—		0.3			0.3			—		0.6			0.6
Liabilities:
Forward exchange contracts (see Note 17)	—		(0.6		)	(0.6		)	—		(0.5		)	(0.5		)
	$	7.3	$	(0.3	)	$	7.0		$	8.0	$	0.1		$	8.1

Carrying Values and Fair Values of Assets and Liabilities Not Required to be Carried at Fair Value on a Recurring Basis

The following table sets forth the carrying values and fair values of the Company’s investment in Pop's mandatorily redeemable preferred stock units and outstanding debt at March 31, 2018 and March 31, 2017:

	March 31, 2018				March 31, 2017
	(Amounts in millions)
	Carrying Value		Fair Value		Carrying Value		Fair Value
			(Level 3)				(Level 3)
Assets:
Investment in Pop's mandatorily redeemable preferred stock units	$	91.3	$	125.0	$	96.8	$	122.1
	Carrying Value		Fair Value		Carrying Value		Fair Value
			(Level 2)				(Level 2)
Liabilities:
Term Loan A(1)	729.7		750.9		961.8		983.8
Term Loan B(1)	1,229.3		1,251.6		1,554.7		1,610.0
5.875% Senior Notes	500.4		539.5		498.3		542.1
April 2013 1.25% Notes	60.0		60.3		60.0		58.5
Production loans	352.6		352.9		353.3		353.8
	$	2,872.0	$	2,955.2	$	3,428.1	$	3,548.2