DEBT (Detail) (USD $)	0 Months Ended	1 Months Ended	12 Months Ended			12 Months Ended				0 Months Ended	12 Months Ended		0 Months Ended					12 Months Ended			0 Months Ended
	Oct. 02, 2012	Feb. 28, 2011	Dec. 31, 2012	Dec. 31, 2012 Federal Funds	Dec. 31, 2012 Eurodollar	Dec. 31, 2012 Eurodollar Minimum	Dec. 31, 2012 Eurodollar Maximum	Dec. 31, 2012 Base Rate Minimum	Dec. 31, 2012 Base Rate Maximum	Nov. 20, 2012 Term Loan The Term Loan	Dec. 31, 2012 Term Loan The Term Loan	Oct. 02, 2012 Term Loan The Term Loan	Nov. 20, 2012 Credit Facility The Revolver	Dec. 31, 2012 Credit Facility The Revolver	Oct. 02, 2012 Credit Facility The Revolver	Oct. 02, 2012 Credit Facility The Revolver Swing Line	Oct. 02, 2012 Credit Facility The Revolver Letter of credit sub-facility	Dec. 31, 2012 Amended Line of Credit Facility	Dec. 31, 2011 Amended Line of Credit Facility	Dec. 31, 2010 Amended Line of Credit Facility	Aug. 05, 2011 Amended Line of Credit Facility Flight Landata, Inc.
Debt Instrument [Line Items]
Debt face amount										$ 70,000,000	$ 70,000,000	$ 60,000,000
Maximum borrowing capacity		50,000,000											50,000,000		40,000,000	10,000,000	15,000,000				65,000,000
Amount outstanding														21,000,000
Additional borrowing capacity ubject to certain condition	35,000,000
Increase in debt		25,000,000																			25,000,000
Debt term	5 years
Percentage of equity securities, line of credit															100.00%
Percentage of equity securities, debt												100.00%
Increase in debt										10,000,000
Increase in possible borrowing capacity													10,000,000
Amortization of Financing Costs
Financing costs			3,199,000
Amortization period of financing costs			5 years
Amortization of financing costs			159,000
Amortization of financing costs, next twelve months			640,000
Amortization of financing costs, year two			640,000
Amortization of financing costs, year three			640,000
Amortization of financing costs, year four			640,000
Amortization of financing costs, year five			480,000
Quarterly agency payable			37,500
Repayments of debt											1,300,000
Long-term and short-term debt											68,700,000
Required Loan Payments
2013											5,688,000
2014											7,000,000
2015											7,000,000
2016											7,000,000
2017											42,000,000
Interest expense recognized on debt agreement											$ 1,000,000							$ 1,286,000	$ 907,000	$ 1,076,000
Line of credit facility, maturity term		3 years
Basis spread on variable rate				50.00%	1.00%
Basis points						2.00%	3.00%	1.00%	2.00%