Supplemental Data

12 Months Ended

Dec. 31, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Supplemental Balance Sheet Data (in thousands):


Summary of accrued expenses	December 31,
	2021		2020

Accrued payroll and fringes	$	43,270	$	34,324
Accrued taxes	16,472		14,014
Income taxes payable	6,163		6,067
Accrued interest	13,563		8,259
Accrued rebates and discounts	10,687		5,170
Warranty payable	2,062		1,558
Accrued inventory	50,122		40,461
Other accrued expenses	32,462		24,365
Total	$	174,801	$	134,218


Warranty liability	Year ended December 31,
	2021		2020

Beginning balance	$	1,558	$	784
Accrual	4,257		2,821
Warranty payments	(3,753)		(2,696)
Other (1)	—		649
Ending balance	$	2,062	$	1,558

(1) Represents warranty liabilities of acquired businesses.

Supplemental Statement of Operations Data (in thousands):


Other income (expense), net	Year ended December 31,
	2021		2020		2019
Foreign currency gain (loss)	$	27	$	71	$	(67)
Loss on sale of capital assets	(1,458)		(1,851)		(1,626)
Other income (expense)	247		(679)		(353)
	$	(1,184)	$	(2,459)	$	(2,046)

Supplemental Cash Flow Statement Data (in thousands):


	Year ended December 31,
	2021		2020		2019

Interest paid	$	58,553	$	43,730	$	56,431
Taxes paid	$	27,371	$	10,189	$	15,367

Investments

Arnold Joint Venture

Arnold is a 50% partner in a China rare earth mine-to-magnet joint venture. Arnold accounts for its activity in the joint venture utilizing the equity method of accounting. Gains and losses from the joint venture were not material for the years ended December 31, 2021, 2020 and 2019.

Altor Solutions

In September 2020, Altor invested $3.6 million in Rational Packaging, LLC, a designer and manufacturer of recyclable, paperboard-based structural packaging components. The investment will be accounted for as an equity method investment. Gains and losses from the investment were not material for the years ended December 31, 2021 and 2020.