Property, Plant and Equipment |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2019 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Property, Plant and Equipment [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Property, Plant and Equipment | Property, Plant and Equipment Property, plant and equipment consist of the following at December 31:
Internal-use software, included in gross machinery and equipment at December 31, 2019 and 2018 was $49.6 million and $47.8 million, respectively, with related accumulated depreciation of $38.7 million and $34.5 million, respectively. Internal use software depreciation expense was $4.8 million, $4.7 million and $4.5 million for the years ended December 31, 2019, 2018 and 2017, respectively.
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