Derivative Financial Instruments and Hedging (Tables)

12 Months Ended

Dec. 31, 2023

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of derivative instruments

The fair values of the Company’s derivative financial instruments are presented below, representing the gross amounts recognized which are not offset by counterparty or by type of item hedged. All fair values for these derivatives were measured using Level 2 information as defined by the accounting standard hierarchy, which includes quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active, and inputs derived principally from or corroborated by observable market data.

(In millions)		December 31, 2023		January 1, 2023
Asset derivatives	Balance sheet location
Derivatives designated as hedging instruments:
Interest rate swap	Prepaid expenses and other current assets	$	0.7	$	1.4
Foreign exchange contracts	Prepaid expenses and other current assets	0.1		—
Natural gas contracts	Prepaid expenses and other current assets	—		2.4
Nickel and other raw material contracts	Prepaid expenses and other current assets	—		12.5
Interest rate swap	Other assets	—		0.5
Natural gas contracts	Other assets	0.1		0.7
Nickel and other raw material contracts	Other assets	—		0.5
Total derivatives designated as hedging instruments		0.9		18.0
Total asset derivatives		$	0.9	$	18.0
Liability derivatives	Balance sheet location
Derivatives designated as hedging instruments:
Natural gas contracts	Other current liabilities	$	5.6	$	2.0
Nickel and other raw material contracts	Other current liabilities	7.5		2.1
Natural gas contracts	Other long-term liabilities	1.1		0.5
Total derivatives designated as hedging instruments		14.2		4.6
Total liability derivatives		$	14.2	$	4.6

Schedule of derivative instruments gain (loss)

Activity with regard to derivatives designated as cash flow hedges for the fiscal years ended December 31, 2023 and January 1, 2023 were as follows (in millions):

Derivatives in Cash Flow Hedging Relationships	Amount of Gain (Loss) Recognized in OCI on Derivatives				Amount of Gain (Loss) Reclassified from Accumulated OCI into Income (a)
	Fiscal Year
	2023		2022		2023		2022
Nickel and other raw material contracts	$	(11.0)	$	27.1	$	2.5	$	20.5
Natural gas contracts	(11.3)		10.9		(5.7)		11.5
Foreign exchange contracts	0.2		0.7		0.2		0.7
Interest rate swap	0.3		2.3		1.1		(0.1)
Total	$	(21.8)	$	41.0	$	(1.9)	$	32.6

(a)The gains (losses) reclassified from accumulated OCI into income related to the derivatives, with the exception of the interest rate swap, are presented in sales and cost of sales in the same period or periods in which the hedged item affects earnings. The gains (losses) reclassified from accumulated OCI into income on the interest rate swap are presented in interest expense in the same period as the interest expense on the ABL Term Loan is recognized in earnings.