Registration of securities issued in business combination transactions

Reportable Segments - Operations by Industry Segment (Detail)

v2.4.0.8
Reportable Segments - Operations by Industry Segment (Detail) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 12 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Capital expenditures:          
Total capital expenditures $ 37,445 $ 30,023 $ 155,645 $ 191,543 $ 190,399
Depreciation and amortization:          
Total depreciation and amortization 34,337 29,512 134,053 113,017 112,136
Rental Tools [Member]
          
Capital expenditures:          
Total capital expenditures     76,928 61,958 61,702
Depreciation and amortization:          
Total depreciation and amortization     54,625 42,944 40,497
U.S. Barge Drilling [Member]
          
Capital expenditures:          
Total capital expenditures     23,694 8,808 7,339
Depreciation and amortization:          
Total depreciation and amortization     13,796 13,906 17,006
U.S. Drilling [Member]
          
Capital expenditures:          
Total capital expenditures     1,809 86,786 99,915
Depreciation and amortization:          
Total depreciation and amortization     16,120 7,011 2,223
International Drilling [Member]
          
Capital expenditures:          
Total capital expenditures     39,115 15,240 15,011
Depreciation and amortization:          
Total depreciation and amortization     46,022 45,967 48,965
Corporate [Member]
          
Capital expenditures:          
Total capital expenditures     14,099 18,751 6,432
Corporate and other [Member]
          
Depreciation and amortization:          
Total depreciation and amortization     $ 3,490 [1] $ 3,189 [1] $ 3,445 [1]
[1] This category includes depreciation of corporate assets as well as minimal depreciation for our Technical Services segment primarily related to office furniture and fixtures.