Unusual Items (Tables)

12 Months Ended

Dec. 31, 2020

Unusual or Infrequent Items, or Both [Abstract]

Schedule of Unusual Items Expense

The following table presents total unusual items, comprised of a component of other expense (income), net in the consolidated statements of operations:

	Year Ended December 31,
	2020		2019		2018
	(In millions)
Aerospace and Defense:
Merger costs	$	0.2	$	—	$	—
Legal matter	0.4		—		—
Acquisition costs	—		0.3		—
Aerospace and defense unusual items	0.6		0.3		—
Corporate:
Merger costs	7.5		—		—
Loss on bank amendment	—		—		0.2
Corporate unusual items	7.5		—		0.2
Total unusual items	$	8.1	$	0.3	$	0.2

The components of the Merger costs are as follows (in millions):

Legal	$	3.9
Consulting and other professional costs	3.4
Internal labor	0.4
	$	7.7