Special Charges and Other, Net (Tables)

12 Months Ended

Mar. 31, 2018

Other Nonrecurring (Income) Expense [Abstract]

Restructuring and Related Costs

The following is a roll forward of accrued restructuring charges for fiscal 2018 and fiscal 2017 (amounts in millions):

	Employee Separation Costs			Exit Costs			Total
Balance at March 31, 2016 - Restructuring Accrual	$	0.1		$	—		$	0.1
Additions due to Atmel acquisition	6.3			—			6.3
Charges	39.1			44.1			83.2
Payments	(38.9		)	(7.0		)	(45.9		)
Non-cash - Other	(0.5		)	(2.3		)	(2.8		)
Changes in foreign exchange rates	(0.7		)	—			(0.7		)
Balance at March 31, 2017 - Restructuring Accrual	5.4			34.8			40.2
Charges	1.2			0.7			1.9
Payments	(5.9		)	(9.2		)	(15.1		)
Non-cash - Other	(0.2		)	1.0			0.8
Changes in foreign exchange rates	0.3			—			0.3
Balance at March 31, 2018 - Restructuring Accrual	$	0.8		$	27.3		$	28.1
Current							$	11.9
Non-current							16.2
Total							$	28.1

The following table summarizes activity included in the "special charges and other, net" caption on the Company's consolidated statements of income (amounts in millions):

	For The Years Ended March 31,
	2018			2017		2016
Restructuring
Employee separation costs	$	1.2		$	39.1	$	9.6
Gain on sale of assets	(4.4		)	—		—
Impairment charges	—			12.6		—
Contract exit costs	0.7			44.1		0.7
Other	—			2.8		0.9
Legal settlement costs	—			—		4.3
Insurance settlement	—			—		(11.5		)
Non-restructuring contract exit costs and other	$	20.0		$	—	$	—
Total	$	17.5		$	98.6	$	4.0