Stockholder's Equity (Tables)

6 Months Ended

Mar. 30, 2018

Stockholders' Equity Note [Abstract]

Dividends Declared

During the three and six months ended March 30, 2018, dividends charged to retained earnings were as follows (in millions, except per share data):

	Per share		Total Amount
First quarter	$	0.32	$	58.8
Second quarter	0.32		58.5
Total	$	0.64	$	117.3

Schedule of share-based compensation expense

The following table summarizes the share-based compensation expense by line item in the Statements of Operations (in millions):

	Three Months Ended				Six Months Ended
	March 30, 2018		March 31, 2017		March 30, 2018		March 31, 2017
Cost of goods sold	$	4.2	$	3.4	$	8.3	$	7.2
Research and development	14.5		8.5		25.7		16.8
Selling, general and administrative	22.3		10.2		32.8		19.7
Total share-based compensation	$	41.0	$	22.1	$	66.8	$	43.7