Balance Sheet Information (Tables)

12 Months Ended

Dec. 27, 2019

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Summary of Inventories

Inventories consisted of the following:

	December 27,		December 28,
(In millions)	2019		2018
Raw materials	$	99.9	$	121.3
Work in process		57.6		51.0
Finished goods		14.9		13.8
Total	$	172.4	$	186.1

Property, Plant and Equipment, Net

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

	December 27,			December 28,
(In millions)	2019			2018
Land	$	4.8		$	4.8
Buildings		36.9			32.2
Leasehold improvements		41.8			38.6
Machinery and equipment		58.1			58.3
Computer equipment and software		32.1			31.3
Furniture and fixtures		4.4			5.8
		178.1			171.0
Accumulated depreciation		(56.7	)		(42.5	)
Construction in progress		23.9			15.0
Total	$	145.3		$	143.5