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Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2024
Accounting Policies [Abstract]  
Schedule of Components of Accumulated Other Comprehensive Loss
Components of Accumulated other comprehensive income (loss), net of tax, were as follows (in millions):
December 31,
20242023
Accumulated pension and OPEB liability adjustments, net of income tax benefit of $4.7 million and $4.3 million at December 31, 2024 and 2023, respectively
$(20.7)$(20.3)
Accumulated unrealized gain on derivative instruments, net of income tax benefit (expense) of $10.2 million and $12.8 million at December 31, 2024 and 2023, respectively
19.9 27.9 
Accumulated unrealized foreign currency translation adjustments, net of income tax benefit of $14.6 million and $14.6 million at December 31, 2024 and 2023, respectively
13.9 31.5 
Accumulated other comprehensive income, net of tax
$13.1 $39.1 
Schedule of Changes in the Components of Accumulated Other Comprehensive Loss
Changes in the components of Accumulated other comprehensive income (loss), net of tax, were as follows (in millions):
Years Ended December 31,
202420232022
Pre-taxTaxNet of
Tax
Pre-taxTaxNet of
Tax
Pre-taxTaxNet of
Tax
Pension and OPEB liability adjustments$(0.8)$0.4 $(0.4)$(11.2)$1.8 $(9.4)$9.9 $(6.4)$3.5 
Derivative instrument adjustments(10.6)2.6 (8.0)(16.6)0.1 (16.5)61.3 (15.0)46.3 
Foreign currency translation adjustments
(17.6)— (17.6)35.4 0.1 35.5 (33.7)7.5 (26.2)
Reclassification of foreign currency translation to income
— — — 127.4 (2.5)124.9 — — — 
Total$(29.0)$3.0 $(26.0)$135.0 $(0.5)$134.5 $37.5 $(13.9)$23.6