Supplemental Condensed Consolidating Guarantor and Non-Guarantor Financial Information Condensed Consolidating Statement Of Cash Flow (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Operating activities    
Net cash used in operating activities $ (51,333) $ (110,795)
Investing activities    
Payments for acquisition of businesses, net of cash received   (15,611)
Purchases of property and equipment (8,876) (15,179)
Other 71 (10)
Net cash used in investing activities (8,805) (30,800)
Financing activities    
Borrowings under revolving line of credit, net   20,000
Net issuance of common stock under equity compensation plans 4,031 (2,490)
Purchase and retirement of common stock   (4,367)
Deposits 1,380  
Other (85) (101)
Net cash (used in) provided by financing activities 5,326 13,042
Effect of exchange rate changes on cash and cash equivalents (3,573) (275)
Net decrease in cash and cash equivalents (58,385) (128,828)
Cash and cash equivalents, beginning of period 283,680 205,833
Cash and cash equivalents, end of period 225,295 77,005
FTI Consulting, Inc.    
Operating activities    
Net cash used in operating activities (27,664) (16,876)
Investing activities    
Payments for acquisition of businesses, net of cash received   (14,616)
Purchases of property and equipment (3,979) (5,008)
Other 32 (10)
Net cash used in investing activities (3,947) (19,634)
Financing activities    
Borrowings under revolving line of credit, net   20,000
Net issuance of common stock under equity compensation plans 4,031 (2,490)
Purchase and retirement of common stock   (4,367)
Other (85) 442
Intercompany transfers (8,255) (65,625)
Net cash (used in) provided by financing activities (4,309) (52,040)
Net decrease in cash and cash equivalents (35,920) (88,550)
Cash and cash equivalents, beginning of period 171,090 111,943
Cash and cash equivalents, end of period 135,170 23,393
Guarantor Subsidiaries    
Operating activities    
Net cash used in operating activities (5,191) (80,076)
Investing activities    
Purchases of property and equipment (3,513) (1,047)
Net cash used in investing activities (3,513) (1,047)
Financing activities    
Other   (63)
Intercompany transfers 8,701 80,847
Net cash (used in) provided by financing activities 8,701 80,784
Net decrease in cash and cash equivalents (3) (339)
Cash and cash equivalents, beginning of period 159 494
Cash and cash equivalents, end of period 156 155
Non-Guarantor Subsidiaries    
Operating activities    
Net cash used in operating activities (18,478) (13,843)
Investing activities    
Payments for acquisition of businesses, net of cash received   (995)
Purchases of property and equipment (1,384) (9,124)
Other 39  
Net cash used in investing activities (1,345) (10,119)
Financing activities    
Deposits 1,380  
Other   (480)
Intercompany transfers (446) (15,222)
Net cash (used in) provided by financing activities 934 (15,702)
Effect of exchange rate changes on cash and cash equivalents (3,573) (275)
Net decrease in cash and cash equivalents (22,462) (39,939)
Cash and cash equivalents, beginning of period 112,431 93,396
Cash and cash equivalents, end of period $ 89,969 $ 53,457