Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Current Assets:
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	$ 341,763	$ 354,259
Accounts receivable, net of allowances for doubtful accounts of $6,698 and $7,116	381,455	368,885
Contract assets	221,451	256,201
Inventory, net	203,010	194,507
Other current assets	72,713	71,037
Total Current Assets	1,220,392	1,244,889
Property and Equipment, at cost	2,857,688	2,837,587
Property and Equipment, at cost	1,901,949	1,872,917
Net Property and Equipment	955,739	964,670
Other Assets:
Goodwill	421,572	413,121
Other non-current assets	191,504	202,318
Right-of-Use Operating Lease asset	182,311
Total Other Assets	795,387	615,439
Total Assets	2,971,518	2,824,998
Current Liabilities:
Accounts payable	111,741	102,636
Accrued liabilities	309,902	306,933
Contract liabilities	78,668	85,172
Total Current Liabilities	500,311	494,741
Long-term Debt	790,969	786,580
Long-term Operating Lease Liabilities	166,453
Other Long-term Liabilities	122,285	128,379
Commitments and Contingencies
Equity:
Common Stock, par value $0.25 per share; 360,000,000 shares authorized; 110,834,088 shares issued	27,709	27,709
Additional paid-in capital	198,784	220,421
Treasury stock; 11,905,789 and 12,294,873 shares, at cost	(681,786)	(704,066)
Retained earnings	2,173,861	2,204,548
Accumulated other comprehensive loss	(333,131)	(339,377)
Oceaneering Shareholders' Equity	1,385,437	1,409,235
Noncontrolling interest	6,063	6,063
Total Equity	1,391,500	1,415,298
Total Liabilities and Equity	$ 2,971,518	$ 2,824,998