VSE Corporation Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements, Unobservable Input Reconciliation (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2015	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance as of the beginning of the period	$ 9,455
Earn-out payments	(14,982)
Fair value adjustment included in earnings	1,035
Aviation Acquisition earn-out obligation	26,106
Balance as of the end of the period	21,614
WBI Acquisition [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Earn-out payments		$ (10,000)	$ (2,700)	$ (219)	$ (7,100)
Earn-out Obligation - Current [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance as of the beginning of the period	9,455
Earn-out payments	(14,982)
Fair value adjustment included in earnings	740
Aviation Acquisition earn-out obligation	13,825
Balance as of the end of the period	9,038
Earn-out Obligation - Long-term [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance as of the beginning of the period	0
Fair value adjustment included in earnings	295
Aviation Acquisition earn-out obligation	12,281
Balance as of the end of the period	$ 12,576