Debt (Tables)

12 Months Ended

Dec. 28, 2019

Debt Disclosure [Abstract]

Schedule of Debt

(In thousands)	2019			2018
Subordinated Debentures with interest at 6.00%, due 2027	$	284,479		$	284,479
Revolving Credit Facility with interest at 3.20%, due 2021	90,000			195,000
Jungwoo-Mueller credit facility with interest at 2.86%, due 2019	—			5,264
Jungwoo-Mueller credit facility with interest at 2.55%, due 2020	5,768			5,104
2001 Series IRB's with interest at 3.03%, due 2021	1,250			2,250
Other	5,295			5,458
	386,792			497,555
Less debt issuance costs	(538		)	(857		)
Less current portion of debt	(7,530		)	(7,101		)
Long-term debt	$	378,724		$	489,597

Debt instrument redemption

If redeemed during the 12-month period beginning March 9:

Year	Redemption Price
2019	104%
2020	103
2021	102
2022 and thereafter	100

Aggregate annual maturities of debt

Aggregate annual maturities of the Company’s debt are as follows:

(In thousands)	Amount
2020	$	7,530
2021	90,502
2022	525
2023	804
2024	540
Thereafter	286,891
Long-term debt	$	386,792

Net interest expense

Net interest expense consisted of the following:

(In thousands)	2019			2018			2017
Interest expense	$	25,957		$	25,349		$	19,716
Capitalized interest	(274		)	(150		)	(214		)
	$	25,683		$	25,199		$	19,502