Thermon Group Holdings, Inc. Annual report pursuant to Section 13 and 15(d)

Income Taxes - Income Taxes in Consolidated Income Statement (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Current Provision [Abstract]
Federal provision (benefit)	$ (1,594)	$ 3,835	$ (1,072)
Foreign provision	12,451	12,352	12,551
State provision	484	422	356
Deferred Provision [Abstract]
Federal deferred benefit	(2,515)	(376)	(1,424)
Foreign deferred benefit	(1,790)	(1,646)	(2,788)
State deferred benefit	(72)	(11)	(155)
Total provision for income taxes	$ 6,964	$ 14,576	$ 7,468

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.