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OTHER COMPREHENSIVE INCOME - Accumulated Other Comprehensive Income, Net of Tax (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Stockholders' Equity Note [Abstract]
Cash flow hedges	$ (17.7)	$ (19.4)	$ (21.0)
Pension and postretirement plans	(109.7)	(124.4)	(133.7)
Total AOCI	$ (127.4)	$ (143.8)	$ (154.7)

X

- Definition

Amount, after tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit).

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X

- Definition

Amount, after tax, of accumulated increase (decrease) in equity from transaction and other event and circumstance from nonowner source.

+ References

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- Definition

Amount, after tax, of accumulated gain (loss) from increase (decrease) in value of excluded component of derivative hedge.

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