December 31,

 

 

 

2016

 

2015

 

Land and land improvements

 

$

76,704 

 

$

75,033 

 

Buildings and leasehold improvements

 

 

177,705 

 

 

158,274 

 

Machinery and equipment

 

 

1,741,552 

 

 

1,650,430 

 

Construction-in-process

 

 

99,172 

 

 

53,655 

 

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​  

 

 

 

2,095,133 

 

 

1,937,392 

 

Less accumulated depreciation and amortization

 

 

653,576 

 

 

531,246 

 

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Plant, property, and equipment, net

 

$

1,441,557 

 

$

1,406,146 

 

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