Property, Plant and Equipment

6 Months Ended

Jun. 30, 2016

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

4. Property, Plant and Equipment

Property, plant and equipment were comprised of the following:

	June 30, 2016			December 31, 2015
Land and land improvements	$	10,181		$	5,223
Buildings		64,298			44,570
Machinery and equipment		310,571			266,358
Construction-in-progress		7,855			3,566
Other		6,827			7,774
		399,732			327,491
Accumulated depreciation		(188,098	)		(180,578	)
	$	211,634		$	146,913

Land and buildings of Union Electric Steel UK Limited (“UES-UK”) equal to approximately $2,708 (£2,022) at June 30, 2016 are held as collateral by the trustees of the UES-UK defined benefit pension plan (see Note 6). Substantially all of the remaining assets are held as collateral for the Corporation’s Revolving Credit and Security Agreement (see Note 7).