Comprehensive Income (Tables)

3 Months Ended

Mar. 31, 2024

Comprehensive Income [Abstract]

Reclassifications Out of Accumulated Other Comprehensive Loss

The following table summarizes the amounts reclassified out of accumulated other comprehensive loss attributable to the Company:

	Three Months Ended
(in millions of dollars)	Mar. 31, 2024			Apr. 2, 2023
Amortization of pension items:
Pre-tax amount	$	0.3		$	0.5
Tax		(0.1	)		(0.1	)
Net of tax	$	0.2		$	0.4

Accumulated Other Comprehensive Loss

The major components of accumulated other comprehensive loss, net of related tax, attributable to MTI are as follows:

(in millions of dollars)	Foreign Currency Translation Adjustment			Unrecognized Pension Costs			Net Gain (Loss) on Derivative Instruments		Total
Balance as of December 31, 2023	$	(350.9	)	$	(28.8	)	$	10.3	$	(369.4	)
Other comprehensive income (loss) before reclassifications		(23.5	)		—			1.4		(22.1	)
Amounts reclassified from AOCI		—			0.2			—		0.2
Net current period other comprehensive income (loss)		(23.5	)		0.2			1.4		(21.9	)
Balance as of March 31, 2024	$	(374.4	)	$	(28.6	)	$	11.7	$	(391.3	)