Property, Plant and Equipment Property Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2016

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

The components of our property, plant and equipment balance are as follows:

	December 31,
Dollars in Thousands	2016		2015
Property, Plant and Equipment, at cost:
Drilling Equipment	$	1,306,641	$	1,396,748
Rental Tools	516,144		521,662
Building, Land and Improvements	54,799		53,576
Other	111,142		114,465
Construction in Progress	25,357		21,770
Total Property, Plant and Equipment, at cost	2,014,083		2,108,221
Less: Accumulated Depreciation and Amortization	1,320,644		1,302,380
Property, Plant, and Equipment, Net	$	693,439	$	805,841