Share-Based Compensation (Tables)

6 Months Ended

Sep. 30, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of share-based compensation expense

The following table presents the details of the Company's share-based compensation expense (in millions):



	Three Months Ended				Six Months Ended
	September 30,				September 30,
	2018		2017		2018		2017
Cost of sales ⁽¹⁾	$	3.9	$	3.7	$	7.5	$	7.1
Research and development	19.7		10.6		33.8		20.9
Selling, general and administrative	17.8		9.3		29.5		18.0
Special charges and other, net	1.2		—		17.1		—
Pre-tax effect of share-based compensation	42.6		23.6		87.9		46.0
Income tax benefit ⁽²⁾	9.0		7.8		19.1		15.3
Net income effect of share-based compensation	$	33.6	$	15.8	$	68.8	$	30.7

⁽¹⁾ During the three and six months ended September 30, 2018, $4.4 million and $7.9 million, respectively, of share-based compensation expense was capitalized to inventory and $3.9 million and $7.5 million, respectively, of previously capitalized share-based compensation expense in inventory was sold. During the three and six months ended September 30, 2017, $3.1 million and $5.8 million, respectively, of share-based compensation expense was capitalized to inventory and $3.7 million and $7.1 million of previously capitalized share-based compensation expense in inventory was sold.

⁽²⁾ Amounts exclude excess tax benefits related to share-based compensation of $4.0 million and $9.0 million, respectively, for the three and six months ended September 30, 2018 and $8.2 million and $14.1 million, respectively, for the three and six months ended September 30, 2017.