Condensed Consolidating Financial Statements Cash Flow (Details 4) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Operating Activities:
Net cash provided by (used in) operating activities	$ (3,036)	$ (21,524)
Investing activities:
Capital expenditures	(6,167)	(5,773)
Payments to Acquire Businesses, Net of Cash Acquired	0	(2,892)
Proceeds from sale of assets	0
Net cash provided by (used in) investing activities	(6,167)	(8,665)
Financing activities:
Proceeds from revolving line of credit	0	8,000
Payments of revolving line of credit	0	(2,500)
Payments on long-term debt	(1,870)	(481)
Payments for Repurchase of Common Stock	(595)	(544)
Net cash provided by (used in) financing activities	(2,465)	4,475
Net increase (decrease) in cash and cash equivalents	(11,668)	(25,714)
Effect of Exchange Rate on Cash and Cash Equivalents [Abstract]
Effect of foreign currency fluctuations on cash	(398)	411
Cash and cash equivalents at beginning of fiscal period	65,004	56,362
Cash and cash equivalents at end of fiscal period	52,938	31,059
Parent
Operating Activities:
Net cash provided by (used in) operating activities	2,465	544
Investing activities:
Capital expenditures	0	0
Payments to Acquire Businesses, Net of Cash Acquired	0	0
Proceeds from sale of assets	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	0
Payments on long-term debt	(1,870)	0
Payments for Repurchase of Common Stock	(595)	(544)
Net cash provided by (used in) financing activities	(2,465)	(544)
Net increase (decrease) in cash and cash equivalents	0	0
Effect of Exchange Rate on Cash and Cash Equivalents [Abstract]
Effect of foreign currency fluctuations on cash	0	0
Cash and cash equivalents at beginning of fiscal period	640	640
Cash and cash equivalents at end of fiscal period	640	640
Guarantor Subsidiaries
Operating Activities:
Net cash provided by (used in) operating activities	(13,651)	(17,034)
Investing activities:
Capital expenditures	15	(3,912)
Payments to Acquire Businesses, Net of Cash Acquired	0	(2,892)
Proceeds from sale of assets	0
Net cash provided by (used in) investing activities	15	(6,804)
Financing activities:
Proceeds from revolving line of credit	0	6,000
Payments of revolving line of credit	0	(2,500)
Payments on long-term debt	0	0
Payments for Repurchase of Common Stock	0	0
Net cash provided by (used in) financing activities	0	3,500
Net increase (decrease) in cash and cash equivalents	(13,636)	(20,338)
Effect of Exchange Rate on Cash and Cash Equivalents [Abstract]
Effect of foreign currency fluctuations on cash	0	0
Cash and cash equivalents at beginning of fiscal period	36,209	33,094
Cash and cash equivalents at end of fiscal period	22,573	12,756
Non-Guarantor Subsidiaries
Operating Activities:
Net cash provided by (used in) operating activities	8,150	(5,034)
Investing activities:
Capital expenditures	(6,182)	(1,861)
Payments to Acquire Businesses, Net of Cash Acquired	0	0
Proceeds from sale of assets	0
Net cash provided by (used in) investing activities	(6,182)	(1,861)
Financing activities:
Proceeds from revolving line of credit	0	2,000
Payments of revolving line of credit	0	0
Payments on long-term debt	0	(481)
Payments for Repurchase of Common Stock	0	0
Net cash provided by (used in) financing activities	0	1,519
Net increase (decrease) in cash and cash equivalents	1,968	(5,376)
Effect of Exchange Rate on Cash and Cash Equivalents [Abstract]
Effect of foreign currency fluctuations on cash	(398)	411
Cash and cash equivalents at beginning of fiscal period	28,155	22,628
Cash and cash equivalents at end of fiscal period	29,725	17,663
Reclassifications and Eliminations
Operating Activities:
Net cash provided by (used in) operating activities	0	0
Investing activities:
Capital expenditures	0	0
Payments to Acquire Businesses, Net of Cash Acquired	0	0
Proceeds from sale of assets	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	0
Payments on long-term debt	0	0
Payments for Repurchase of Common Stock	0	0
Net cash provided by (used in) financing activities	0	0
Net increase (decrease) in cash and cash equivalents	0	0
Effect of Exchange Rate on Cash and Cash Equivalents [Abstract]
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