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LONG-LIVED ASSETS
 6 Months Ended
Jun. 30, 2024
Property, Plant and Equipment [Abstract]  
LONG-LIVED ASSETS LONG-LIVED ASSETS
Included in Property, plant and equipment, net were the following:
June 30,December 31,June 30,
202420232023
Land$254.0 $257.5 $264.3 
Buildings1,084.6 1,048.7 1,049.1 
Machinery and equipment3,575.7 3,459.8 3,339.5 
Construction in progress1,380.0 1,111.0 732.2 
Property, plant and equipment, gross6,294.3 5,877.0 5,385.1 
Less allowances for depreciation3,157.7 3,040.2 2,942.6 
Property, plant and equipment, net$3,136.6 $2,836.8 $2,442.5 
In accordance with the Goodwill and Other Intangibles Topic of the ASC, goodwill and indefinite-lived intangible assets are tested for impairment annually during the fourth quarter, and interim impairment tests are performed whenever an event occurs or circumstances change that indicate an impairment has more likely than not occurred. See Note 3 for information on the impairment test performed as a result of the China architectural business classification change to held for sale as of June 30, 2023.