Derivative Financial Instruments - Schedule of Change in Fair Value of Foreign Currency Forward Exchange Contracts Under Hedge Designations (Details) - USD ($)
$ in Millions

3 Months Ended

6 Months Ended

Jun. 30, 2025

Jun. 30, 2024

Jun. 30, 2025

Jun. 30, 2024

Derivative [Line Items]

Beginning Balance

$ 1,532.6

$ 1,632.1

$ 1,527.9

$ 1,716.5

Ending Balance

1,553.9

1,571.2

1,553.9

1,571.2

Designated as Hedging Instrument

Derivative [Line Items]

Beginning Balance

^[1]

(4.4)

Ending Balance

^[1]

22.4

Designated as Hedging Instrument | Foreign Currency Forward Exchange Contracts

Derivative [Line Items]

Beginning Balance

2.1

0.5

(7.9)

5.3

Losses (gains) reclassified to net sales

(2.5)

0.8

(1.4)

1.3

Decrease in fair value

20.6

(1.3)

29.5

(6.6)

Ending Balance

$ 20.2

$ 0.0

$ 20.2

$ 0.0

[1]	Includes forward foreign exchange contracts, interest rate derivatives and commodity swaps

- Definition

Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest.

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+ Details

HEXCEL CORP /DE/ 10-Q