CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
Income Statement [Abstract]
Revenues, net	$ 69,036	$ 65,257	$ 242,757	$ 211,035
Cost of revenues	(38,834)	(37,888)	(131,032)	(112,587)
Gross profit	30,202	27,369	111,725	98,448
Selling, general and administrative expenses	(21,923)	(22,230)	(71,545)	(70,623)
Impairment expenses	0	(13)	0	(1,096)
Operating income	8,279	5,126	40,180	26,729
Interest expense, net	(540)	(673)	(1,842)	(2,163)
Other income (expense), net	36	587	(23)	1,864
Income before income taxes	7,775	5,040	38,315	26,430
Provision for income taxes	(5,140)	(3,181)	(16,243)	(11,953)
Income from continuing operations	2,635	1,859	22,072	14,477
Loss from discontinued operations, net of tax	(36,672)	(1,454)	(40,293)	(6,134)
Net (loss) income	$ (34,037)	$ 405	$ (18,221)	$ 8,343
Basic earnings (loss) per common share:
Continuing operations (USD per share)	$ 0.17	$ 0.12	$ 1.41	$ 0.92
Discontinued operations (USD per share)	(2.34)	(0.09)	(2.57)	(0.39)
Net (loss) income (USD per share)	(2.17)	0.03	(1.16)	0.53
Diluted earnings (loss) per common share:
Continuing (USD per share)	0.17	0.12	1.41	0.92
Discontinued operations (USD per share)	(2.34)	(0.09)	(2.57)	(0.39)
Net (loss) income (USD per share)	$ (2.17)	$ 0.03	$ (1.16)	$ 0.53