Comprehensive Income (Tables)

6 Months Ended

Jun. 30, 2019

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						Six Months Ended
(millions of dollars)	June 30, 2019			July 1, 2018			June 30, 2019			July 1, 2018
Amortization of pension items:
Pre-tax amount	$	2.2		$	2.4		$	4.4		$	4.9
Tax		(0.5	)		(0.5	)		(1.1	)		(1.2	)
Net of tax	$	1.7		$	1.9		$	3.3		$	3.7

Accumulated Other Comprehensive Loss, Net of Related Tax, Attributable to MTI

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

(millions of dollars)	Foreign Currency Translation Adjustment			Unrecognized Pension Costs			Net Gain (Loss) on Derivative Instruments			Total
Balance as of December 31, 2018	$	(170.1	)	$	(69.7	)	$	6.1		$	(233.7	)
Other comprehensive loss before reclassifications		(19.5	)		—			(2.0	)		(21.5	)
Amounts reclassified from AOCI		—			3.3			—			3.3
Net current period other comprehensive income (loss)		(19.5	)		3.3			(2.0	)		(18.2	)
Cumulative effect of accounting change		—			(10.4	)		(0.5	)		(10.9	)
Balance as of June 30, 2019	$	(189.6	)	$	(76.8	)	$	3.6		$	(262.8	)