Balance Sheet Information (Tables)

6 Months Ended

Jun. 26, 2020

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Summary of Inventories

Inventories consisted of the following:

	June 26,		December 27,
(In millions)	2020		2019
Raw materials	$	116.4	$	99.9
Work in process		63.7		57.6
Finished goods		13.7		14.9
Total	$	193.8	$	172.4

Property, Plant and Equipment, Net

Property, plant and equipment, net, consisted of the following:

	Useful Life	June 26,			December 27,
(In millions)	(in years)	2020			2019
Land		$	4.4		$	4.8
Buildings	50		33.5			36.9
Machinery and equipment	5-10		64.8			58.1
Leasehold improvements	*		45.1			41.8
Computer equipment and software	3-10		39.6			32.1
Furniture and fixtures	5		4.3			4.4
			191.7			178.1
Accumulated depreciation			(68.3	)		(56.7	)
Construction in progress			24.7			23.9
Total		$	148.1		$	145.3