Condensed Consolidating Financial Statements (Details 4) - USD ($) $ in Thousands	6 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Sources (uses) of cash and cash equivalents
Net cash provided by (used in) operating activities	$ (10,932)	$ 1,594
Investing activities:
Capital expenditures	(9,268)	(11,975)
Payments to Acquire Investments	(2,892)	0
Change in restricted cash	0	558
Proceeds from sale of assets	247	2,451
Proceeds from Divestiture of Businesses, Net of Cash Divested	0	10,125
Net cash provided by (used in) investing activities	(11,913)	1,159
Financing activities:
Proceeds from revolving line of credit	8,000	14,300
Payments of revolving line of credit	(3,500)	(7,500)
Payments on long-term debt	(481)	(3,135)
Payments for Repurchase of Other Equity	(575)	0
Proceeds from exercise of stock options	0	25
Deferred acquisition payments	0	(11,597)
Net cash provided by (used in) financing activities	3,444	(7,907)
Net increase (decrease) in cash and cash equivalents	(19,401)	(5,154)
Effect of foreign currency fluctuations on cash	354	(1,199)
Cash and cash equivalents at beginning of fiscal period	56,362	57,929
Cash and cash equivalents at end of fiscal period	37,315	51,576
Parent
Sources (uses) of cash and cash equivalents
Net cash provided by (used in) operating activities	575	12,417
Investing activities:
Capital expenditures	0	0
Payments to Acquire Investments	0
Change in restricted cash		0
Proceeds from sale of assets		0
Proceeds from Divestiture of Businesses, Net of Cash Divested		0
Net cash provided by (used in) investing activities	0	0
Financing activities:
Proceeds from revolving line of credit	0	0
Payments of revolving line of credit	0
Payments on long-term debt	0	(1,820)
Payments for Repurchase of Other Equity	(575)
Proceeds from exercise of stock options		25
Deferred acquisition payments		(10,597)
Net cash provided by (used in) financing activities	(575)	(12,392)
Net increase (decrease) in cash and cash equivalents	0	25
Effect of foreign currency fluctuations on cash	0	0
Cash and cash equivalents at beginning of fiscal period	640	616
Cash and cash equivalents at end of fiscal period	640	641
Guarantor Subsidiaries
Sources (uses) of cash and cash equivalents
Net cash provided by (used in) operating activities	(6,284)	4,666
Investing activities:
Capital expenditures	(4,630)	(5,514)
Payments to Acquire Investments	(2,892)
Change in restricted cash		558
Proceeds from sale of assets	247	2,273
Proceeds from Divestiture of Businesses, Net of Cash Divested		0
Net cash provided by (used in) investing activities	(7,275)	(2,683)
Financing activities:
Proceeds from revolving line of credit	6,000	14,300
Payments of revolving line of credit	(3,500)	(7,500)
Payments on long-term debt	0	0
Payments for Repurchase of Other Equity	0
Proceeds from exercise of stock options		0
Deferred acquisition payments		(1,000)
Net cash provided by (used in) financing activities	2,500	5,800
Net increase (decrease) in cash and cash equivalents	(11,059)	7,783
Effect of foreign currency fluctuations on cash	0	1
Cash and cash equivalents at beginning of fiscal period	33,094	22,200
Cash and cash equivalents at end of fiscal period	22,035	29,984
Non-Guarantor Subsidiaries
Sources (uses) of cash and cash equivalents
Net cash provided by (used in) operating activities	(5,223)	(15,489)
Investing activities:
Capital expenditures	(4,638)	(6,461)
Payments to Acquire Investments	0
Change in restricted cash		0
Proceeds from sale of assets		178
Proceeds from Divestiture of Businesses, Net of Cash Divested		10,125
Net cash provided by (used in) investing activities	(4,638)	3,842
Financing activities:
Proceeds from revolving line of credit	2,000	0
Payments of revolving line of credit	0
Payments on long-term debt	(481)	(1,315)
Payments for Repurchase of Other Equity	0
Proceeds from exercise of stock options		0
Deferred acquisition payments		0
Net cash provided by (used in) financing activities	1,519	(1,315)
Net increase (decrease) in cash and cash equivalents	(8,342)	(12,962)
Effect of foreign currency fluctuations on cash	354	(1,200)
Cash and cash equivalents at beginning of fiscal period	22,628	35,113
Cash and cash equivalents at end of fiscal period	14,640	20,951
Reclassifications and Eliminations
Sources (uses) of cash and cash equivalents
Net cash provided by (used in) operating activities	0	0
Investing activities:
Capital expenditures	0	0
Payments to Acquire Investments	0
Change in restricted cash		0
Proceeds from sale of assets		0
Proceeds from Divestiture of Businesses, Net of Cash Divested		0
Net cash provided by (used in) investing activities	0	0
Financing activities:
Proceeds from revolving line of credit	0	0
Payments of revolving line of credit	0
Payments on long-term debt	0	0
Payments for Repurchase of Other Equity	0
Proceeds from exercise of stock options		0
Deferred acquisition payments		0
Net cash provided by (used in) financing activities	0	0
Net increase (decrease) in cash and cash equivalents	0	0
Effect of foreign currency fluctuations on cash	0	0
Cash and cash equivalents at beginning of fiscal period	0	0
Cash and cash equivalents at end of fiscal period	$ 0	$ 0