Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing.

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Amount before accumulated depletion of real estate held for productive use, excluding land held for sale.

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Indicates (true false) whether lessee has option to extend operating lease.

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Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount before accumulated depreciation of tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, computer and office equipment.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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SIGNIFICANT ACCOUNTING POLICIES (Long-lived Assets) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Long-lived assets
Land	$ 70,335	$ 71,676
Buildings	433,823	427,165
Machinery and equipment	902,581	856,272
Property, Plant and Equipment, Gross	1,406,739	1,355,113
Less accumulated depreciation	884,647	825,769
Property, plant and equipment, net (Note 1)	$ 522,092	$ 529,344	$ 478,801
Operating leases
Lessee, Operating Lease, Existence of Option to Extend [true false]	true
Minimum
Operating leases
Lessee, Operating Lease, Renewal Term	1 year
Maximum
Operating leases
Lessee, Operating Lease, Renewal Term	11 years
Machinery, tools and equipment \| Minimum
Long-lived assets
Useful life of property, plant and equipment	3 years
Machinery, tools and equipment \| Maximum
Long-lived assets
Useful life of property, plant and equipment	20 years
Buildings \| Maximum
Long-lived assets
Useful life of property, plant and equipment	40 years