Impairment of Inventory and Long-Lived Assets (Tables)

3 Months Ended

Mar. 31, 2016

Asset Impairment Charges [Abstract]

Schedule of asset impairment charges

he Company recorded impairment charges during the three months ended March 31, 2016, as follows (in thousands):

Drilling Technologies:
Inventories	$	12,653
Long-lived assets:
Property and equipment	14,642
Intangible assets other than goodwill	9,227
Production Technologies:
Inventories	3,913
Total Impairment	$	40,435