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Condensed consolidating financial statements Cash flows (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Condensed Cash Flow Statements, Captions [Line Items] |  |  |
Cash flows from (used in) operating activities | $ 211,393 | $ 137,941 | $ 39,275
Cash flows from investing activities |  |  |
Acquisition of businesses, net of cash acquired | (181,718) | (139,889) | (509,857)
Investment in unconsolidated subsidiary | (112,241) | 0 | 0
Payments to Acquire Equity Method Investments, Net | 48,013 |  |
Capital expenditures for property and equipment | (60,263) | (49,685) | (41,163)
Long-term loans and advances to affiliates | 0 | 0 | 0
Other | 964 | 5,051 | 906
Net cash provided by (used in) investing activities | (289,030) | (184,523) | (550,114)
Cash flows from financing activities |  |  |
Borrowings under Credit Facility due to acquisitions | 181,718 | 139,889 | 509,857
Borrowings under Credit Facility | 223,235 | 63,397 | 10,490
Issuance of Senior Notes | 403,250 | 0 |
Repayment of long-term debt | (715,131) | (454,019) | (61,973)
Long-term loans and advances to affiliates | 0 | 0 | 0
Deferred financing costs | (12,003) | (15) | (5,935)
Proceeds of IPO, net of offering costs | 0 | 256,381 | 0
Proceeds from concurrent private placement | 0 | 50,000 | 0
Payment of contingent consideration accrued at acquisition | (11,435) | (11,100) | 0
Proceeds from stock issuance | 5,458 | 14,432 | 57,046
Other | 7,420 | 6,802 | (5,272)
Net cash provided by (used in) financing activities | 77,054 | 65,782 | 510,148
Effect of exchange rate changes on cash | (898) | 1,315 | 891
Net increase (decrease) in cash and cash equivalents | (1,481) | 20,515 | 200
Cash and cash equivalents |  |  |
Beginning of period | 41,063 | 20,548 | 20,348
End of period | 39,582 | 41,063 | 20,548
Consolidation, Eliminations [Member] |  |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |  |
Cash flows from (used in) operating activities | 0 | 0 | 0
Cash flows from investing activities |  |  |
Acquisition of businesses, net of cash acquired | 0 | 0 | 0
Investment in unconsolidated subsidiary | 0 |  |
Capital expenditures for property and equipment | 0 | 0 | 0
Long-term loans and advances to affiliates | 175,249 | 69,701 | 507,705
Other | 0 | 0 | (3,550)
Net cash provided by (used in) investing activities | 175,249 | 69,701 | 504,155
Cash flows from financing activities |  |  |
Borrowings under Credit Facility due to acquisitions | 0 | 0 | 0
Borrowings under Credit Facility | 0 | 0 | 0
Issuance of Senior Notes | 0 |  |
Repayment of long-term debt | 0 | 0 | 0
Long-term loans and advances to affiliates | (175,249) | (69,701) | (507,705)
Deferred financing costs | 0 |  |
Proceeds of IPO, net of offering costs |  | 0 |
Proceeds from concurrent private placement |  | 0 |
Payment of contingent consideration accrued at acquisition | 0 | 0 |
Proceeds from stock issuance |  | 0 | 0
Other | 0 | 0 | 3,550
Net cash provided by (used in) financing activities | (175,249) | (69,701) | (504,155)
Effect of exchange rate changes on cash | 0 | 0 | 0
Net increase (decrease) in cash and cash equivalents | 0 | 0 | 0
Cash and cash equivalents |  |  |
Beginning of period | 0 | 0 | 0
End of period | 0 | 0 | 0
FET, Inc. Parent [Member] | Reportable Legal Entities [Member] |  |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |  |
Cash flows from (used in) operating activities | (3,683) | (6,078) | (424)
Cash flows from investing activities |  |  |
Acquisition of businesses, net of cash acquired | 0 | 0 | 0
Investment in unconsolidated subsidiary | 0 |  |
Capital expenditures for property and equipment | 0 | 0 | 0
Long-term loans and advances to affiliates | (77,933) | (69,701) | (507,705)
Other | 0 | 0 | 0
Net cash provided by (used in) investing activities | (77,933) | (69,701) | (507,705)
Cash flows from financing activities |  |  |
Borrowings under Credit Facility due to acquisitions | 0 | 0 | 0
Borrowings under Credit Facility | 402,748 | 203,155 | 519,045
Issuance of Senior Notes | 403,250 |  |
Repayment of long-term debt | (713,521) | (448,118) | (61,973)
Long-term loans and advances to affiliates | 0 | 0 | 0
Deferred financing costs | (12,003) |  |
Proceeds of IPO, net of offering costs |  | 256,381 |
Proceeds from concurrent private placement |  | 50,000 |
Payment of contingent consideration accrued at acquisition | 0 | 0 |
Proceeds from stock issuance |  | 14,432 | 57,046
Other | 1,142 | (71) | (5,989)
Net cash provided by (used in) financing activities | 81,616 | 75,779 | 508,129
Effect of exchange rate changes on cash | 0 | 0 | 0
Net increase (decrease) in cash and cash equivalents | 0 | 0 | 0
Cash and cash equivalents |  |  |
Beginning of period | 0 | 0 | 0
End of period | 0 | 0 | 0
Guarantor Subsidiaries [Member] | Reportable Legal Entities [Member] |  |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |  |
Cash flows from (used in) operating activities | 157,198 | 79,366 | 37,573
Cash flows from investing activities |  |  |
Acquisition of businesses, net of cash acquired | (54,389) | (139,889) | (430,685)
Investment in unconsolidated subsidiary | (48,013) |  |
Capital expenditures for property and equipment | (48,270) | (36,354) | (28,402)
Long-term loans and advances to affiliates | (97,316) | 0 | 0
Other | 392 | 2,296 | 3,537
Net cash provided by (used in) investing activities | (247,596) | (173,947) | (455,550)
Cash flows from financing activities |  |  |
Borrowings under Credit Facility due to acquisitions | 54,389 | 139,889 | 430,685
Borrowings under Credit Facility | (52,184) | (139,758) | (429,659)
Issuance of Senior Notes | 0 |  |
Repayment of long-term debt | (1,639) | (5,655) | 0
Long-term loans and advances to affiliates | 86,897 | 110,111 | 416,034
Deferred financing costs | 0 |  |
Proceeds of IPO, net of offering costs |  | 0 |
Proceeds from concurrent private placement |  | 0 |
Payment of contingent consideration accrued at acquisition | (11,435) | (11,100) |
Proceeds from stock issuance |  | 0 | 0
Other | 6,278 | 6,873 | 717
Net cash provided by (used in) financing activities | 82,306 | 100,360 | 417,777
Effect of exchange rate changes on cash | 0 | 0 | 0
Net increase (decrease) in cash and cash equivalents | (8,092) | 5,779 | (200)
Cash and cash equivalents |  |  |
Beginning of period | 8,092 | 2,313 | 2,513
End of period | 0 | 8,092 | 2,313
Non-Guarantor Subsidiaries [Member] | Reportable Legal Entities [Member] |  |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |  |
Cash flows from (used in) operating activities | 57,878 | 64,653 | 2,126
Cash flows from investing activities |  |  |
Acquisition of businesses, net of cash acquired | (127,329) | 0 | (79,172)
Investment in unconsolidated subsidiary | 0 |  |
Capital expenditures for property and equipment | (11,993) | (13,331) | (12,761)
Long-term loans and advances to affiliates | 0 | 0 | 0
Other | 572 | 2,755 | 919
Net cash provided by (used in) investing activities | (138,750) | (10,576) | (91,014)
Cash flows from financing activities |  |  |
Borrowings under Credit Facility due to acquisitions | 127,329 | 0 | 79,172
Borrowings under Credit Facility | (127,329) | 0 | (78,896)
Issuance of Senior Notes | 0 |  |
Repayment of long-term debt | 29 | (246) | 0
Long-term loans and advances to affiliates | 88,352 | (40,410) | 91,671
Deferred financing costs | 0 |  |
Proceeds of IPO, net of offering costs |  | 0 |
Proceeds from concurrent private placement |  | 0 |
Payment of contingent consideration accrued at acquisition | 0 | 0 |
Proceeds from stock issuance |  | 0 | 0
Other | 0 | 0 | (3,550)
Net cash provided by (used in) financing activities | 88,381 | (40,656) | 88,397
Effect of exchange rate changes on cash | (898) | 1,315 | 891
Net increase (decrease) in cash and cash equivalents | 6,611 | 14,736 | 400
Cash and cash equivalents |  |  |
Beginning of period | 32,971 | 18,235 | 17,835
End of period | $ 39,582 | $ 32,971 | $ 18,235

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Name: | us-gaap_ProceedsFromPaymentsForOtherFinancingActivities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
Name: | us-gaap_RepaymentsOfLongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration