Acquisition and Dispositions - Amounts Incurred and Amounts Expected to be Incurred in Future by Major Type of Cost and by Segment (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Incurred for the quarter	$ 6,125
Incurred from restructuring inception to March 31, 2014	41,852
Remaining to be incurred	33,148
Total	75,000
Americas [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Incurred for the quarter	3,631
Incurred from restructuring inception to March 31, 2014	37,697
Remaining to be incurred	17,303
Total	55,000
Americas [Member] | Impairments and write offs [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Incurred for the quarter
Incurred from restructuring inception to March 31, 2014	14,138
Remaining to be incurred	112
Total	14,250
Americas [Member] | Severance and other personnel-related costs [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Incurred for the quarter	2,029
Incurred from restructuring inception to March 31, 2014	11,676
Remaining to be incurred	1,324
Total	13,000
Americas [Member] | Morgan City yard-related expenses [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Incurred for the quarter	1,602
Incurred from restructuring inception to March 31, 2014	5,800
Remaining to be incurred	9,450
Total	15,250
Americas [Member] | Other [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Incurred for the quarter
Incurred from restructuring inception to March 31, 2014	158
Remaining to be incurred	6,417
Total	6,575
Americas [Member] | Morgan City environmental reserve [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Incurred for the quarter
Incurred from restructuring inception to March 31, 2014	5,925
Remaining to be incurred
Total	5,925
Corporate [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Incurred for the quarter	2,494
Incurred from restructuring inception to March 31, 2014	4,155
Remaining to be incurred	15,845
Total	20,000
Corporate [Member] | Severance and other personnel-related costs [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Incurred for the quarter	908
Incurred from restructuring inception to March 31, 2014	2,569
Remaining to be incurred	6,931
Total	9,500
Corporate [Member] | Legal and other advisor fees [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Incurred for the quarter	1,586
Incurred from restructuring inception to March 31, 2014	1,586
Remaining to be incurred	8,914
Total	$ 10,500