INTERIM CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 410,705	$ 345,610
Accounts receivable, net	387,779	345,345
Inventories	353,407	356,731
Prepaid expenses and other	17,494	16,619
Total current assets	1,169,385	1,064,305
Property, plant and equipment, net	1,130,337	1,135,631
Investment in joint ventures	49,574	49,651
Amortizable intangible assets, net	47,237	47,902
Operating lease right-of-use assets	9,172	9,712
Pension asset	4,009	4,136
Other long-term assets	45,887	38,718
Deferred income tax	1,343	1,177
Total assets	2,456,944	2,351,232
Current liabilities
Accounts payable and other	280,366	282,307
Pension and other post-retirement benefit obligations	818	817
Total current liabilities	281,184	283,124
Long-term debt	1,264,525	1,237,545
Pension and other post-retirement benefit obligations	20,884	21,252
Operating lease liabilities	6,110	6,574
Other long-term liabilities	13,270	13,590
Deferred income tax	102,637	95,123
Total liabilities	1,688,610	1,657,208
Shareholders’ equity
Common shares $1 par value; 200,000,000 authorized; 66,132,000 issued and outstanding (2021 – 66,037,000)	66,083	65,988
Additional paid-in capital	348,756	347,902
Retained earnings	454,864	370,927
Accumulated other comprehensive loss	(101,369)	(90,793)
Total shareholders’ equity	768,334	694,024
Total liabilities and shareholders’ equity	2,456,944	2,351,232
Commitments and contingencies (Note 13)