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OTHER COMPREHENSIVE INCOME - Accumulated Other Comprehensive Income, Net of Tax (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023	Jun. 30, 2023
Stockholders' Equity Note [Abstract]
Cash flow hedges	$ (18.6)	$ (19.4)	$ (20.2)
Pension and postretirement plans	(122.0)	(124.4)	(131.2)
Total	$ (140.6)	$ (143.8)	$ (151.4)

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).

+ References

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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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X

- Definition

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

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