​

  ​ ​ ​

Cumulative

  ​ ​ ​

Pension & Other

  ​ ​ ​

​

​

​

​

​

​

​

Translation

​

Postretirement Benefit

​

​

Cash Flow

​

​

​

Three Months Ended June 30, 2026 and 2025

  ​ ​ ​

Adjustments

  ​ ​ ​

Plans, Net

  ​ ​ ​

​

Hedges, Net

  ​ ​ ​

Total

Balance at March 31, 2026

​

$

(129.2)

​

$

30.9

​

$

7.8

​

$

(90.5)

Other comprehensive income (loss)

​

(4.7)

​

​

0.7

​

—

​

(4.0)

Amounts reclassified from AOCI to net loss ⁽¹⁾

​

​

—

​

​

(1.4)

​

​

—

​

​

(1.4)

Balance as of June 30, 2026

​

$

(133.9)

​

$

30.2

​

$

7.8

​

$

(95.9)

​

​

​

​

​

​

​

​

​

​

​

​

​

Balance at March 31, 2025

​

$

(150.7)

​

$

20.3

​

$

7.2

​

$

(123.2)

Other comprehensive income (loss)

​

32.3

​

1.7

​

(1.2)

​

32.8

Amounts reclassified from AOCI to net income (loss) ⁽¹⁾

​

​

—

​

​

(1.5)

​

​

0.7

​

​

(0.8)

Balance as of June 30, 2025

​

$

(118.4)

​

$

20.5

​

$

6.7

​

$

(91.2)

​

  ​ ​ ​

Cumulative

  ​ ​ ​

Pension & Other

  ​ ​ ​

​

​

​

​

​

​

Translation

​

Postretirement Benefit

​

Cash Flow

​

​

​

Six Months Ended June 30, 2026 and 2025

​

Adjustments

  ​ ​ ​

Plans, Net

  ​ ​ ​

Hedges, Net

  ​ ​ ​

Total

Balance at December 31, 2025

​

$

(120.2)

​

$

32.1

​

$

7.8

​

$

(80.3)

Other comprehensive income (loss)

​

(13.7)

​

​

1.3

​

—

​

(12.4)

Amounts reclassified from AOCI to net loss ⁽¹⁾

​

​

—

​

​

(3.2)

​

​

—

​

​

(3.2)

Balance as of June 30, 2026

​

$

(133.9)

​

$

30.2

​

$

7.8

​

$

(95.9)

​

​

​

​

​

​

​

​

​

​

​

​

​

Balance at December 31, 2024

​

$

(170.2)

​

$

20.9

​

$

7.2

​

$

(142.1)

Other comprehensive income (loss)

​

51.8

​

1.7

​

(1.5)

​

52.0

Amounts reclassified from AOCI to net income (loss) ⁽¹⁾

​

​

—

​

​

(2.1)

​

​

1.0

​

​

(1.1)

Balance as of June 30, 2025

​

$

(118.4)

​

$

20.5

​

$

6.7

​

$

(91.2)

​

​

Three Months Ended

​

Six Months Ended

​

​

​

​

June 30, 

​

June 30, 

​

Statements of Operations

AOCI Components

  ​ ​

2026

  ​ ​

2025

  ​ ​

2026

  ​ ​

2025

  ​ ​

Classification

Cash flow hedging items

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Commodity cash flow hedges

​

$

—

​

$

0.8

​

$

—

​

$

1.1

​

Cost of sales

Total before tax

​

​

—

​

​

0.8

​

​

—

​

​

1.1

​

​

Tax effect

​

​

—

​

​

(0.1)

​

​

—

​

​

(0.1)

​

Provision for income taxes

Total, net of tax

​

$

—

​

$

0.7

​

$

—

​

$

1.0

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Amortization of pension and other postretirement benefit plan items

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Prior service credit

​

$

(0.2)

​

$

(0.2)

​

$

(0.4)

​

$

(0.5)

​

(a)

Net actuarial gain

​

​

(1.5)

​

​

(0.7)

​

​

(3.0)

​

​

(1.4)

​

(a)

Net curtailment and settlement gain

​

​

(0.1)

​

​

(0.8)

​

​

(0.7)

​

​

(0.8)

​

(a)

Total before tax

​

​

(1.8)

​

​

(1.7)

​

​

(4.1)

​

​

(2.7)

​

​

Tax effect

​

​

0.4

​

​

0.2

​

​

0.9

​

​

0.6

​

Provision for income taxes

Total, net of tax

​

$

(1.4)

​

$

(1.5)

​

$

(3.2)

​

$

(2.1)

​

​