2017 | 2016 | ||||||||||
Impairment recognized | Impairment reversed | Impairment recognized | Impairment reversed | ||||||||
$ | $ | $ | $ | ||||||||
Classes of assets impaired | |||||||||||
Manufacturing facility closures, restructuring and other related charges | |||||||||||
Inventories | 338 | (175 | ) | 1,420 | — | ||||||
Parts and supplies | — | (12 | ) | — | — | ||||||
Property, plant and equipment | |||||||||||
Manufacturing equipment | 208 | (1 | ) | 4,017 | (1,031 | ) | |||||
Furniture, office equipment and other | — | — | 32 | — | |||||||
Construction in progress | 82 | — | — | — | |||||||
Intangibles | — | — | 379 | — | |||||||
628 | (188 | ) | 5,848 | (1,031 | ) | ||||||
Cost of sales | |||||||||||
Inventories | 801 | — | 2,019 | — | |||||||
Property, plant and equipment | |||||||||||
Manufacturing equipment | — | (2 | ) | 7 | — | ||||||
Computer equipment and software | — | — | 133 | — | |||||||
Furniture, office equipment and other | 2 | — | — | — | |||||||
Construction in progress | 192 | — | 86 | — | |||||||
995 | (2 | ) | 2,245 | — | |||||||
Total | 1,623 | (190 | ) | 8,093 | (1,031 | ) |