Property, Plant and Equipment |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Property Plant And Equipment [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Property, Plant and Equipment |
The principal categories and estimated useful lives of property, plant and equipment were as follows:
Depreciation and amortization expense was $111.6 million, $78.1 million and $60.4 million in 2016, 2015, and 2014, respectively. These amounts included amortization expense for leased property under capital leases.
During 2016, 2015, and 2014, the Company performed periodic reviews of property, plant and equipment and determined no material impairment existed. |