Condensed Consolidating Financial Statements (Details 4) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Sources (uses) of cash and cash equivalents
Net cash provided by (used in) operating activities	$ (12,145)	$ (27,631)
Investing activities:
Capital expenditures	(5,182)	(15,481)
Change in restricted cash	302	1,591
Proceeds from Sale of Property, Plant, and Equipment	2,446
Proceeds from Divestiture of Businesses, Net of Cash Divested	10,125
Net cash provided by (used in) investing activities	(7,691)	13,890
Financing activities:
Proceeds from revolving line of credit	7,500	0
Deferred acquisition payments	(296)	(1,204)
Payments of long-term debt	(2,205)	(306)
Proceeds from exercise of stock options	11	19
Net cash provided by (used in) financing activities	5,010	(1,491)
Net increase (decrease) in cash and cash equivalents	(556)	43,012
Effect of foreign currency fluctuations on cash	(63)	189
Net cash provided by (used in) operating activities of discontinued operations	(905)	(2,845)
Cash and cash equivalents at beginning of fiscal period	57,929	95,978
Cash and cash equivalents at end of fiscal period	58,422	53,155
Reportable legal entities | Parent
Sources (uses) of cash and cash equivalents
Net cash provided by (used in) operating activities	890	(7,889)
Financing activities:
Deferred acquisition payments		(204)
Payments of long-term debt	(890)	(306)
Proceeds from exercise of stock options	11	19
Net cash provided by (used in) financing activities	(879)	(491)
Net increase (decrease) in cash and cash equivalents	(11)	8,380
Cash and cash equivalents at beginning of fiscal period	616	17,202
Cash and cash equivalents at end of fiscal period	627	8,822
Reportable legal entities | Guarantor Subsidiaries
Sources (uses) of cash and cash equivalents
Net cash provided by (used in) operating activities	(3,955)	(19,373)
Investing activities:
Capital expenditures	(115)	(7,186)
Change in restricted cash	302	1,591
Proceeds from Sale of Property, Plant, and Equipment	(1,513)
Net cash provided by (used in) investing activities	(1,700)	5,595
Financing activities:
Proceeds from revolving line of credit	7,500
Deferred acquisition payments	(296)	(1,000)
Payments of long-term debt	0
Net cash provided by (used in) financing activities	7,204	(1,000)
Net increase (decrease) in cash and cash equivalents	(4,949)	25,968
Effect of foreign currency fluctuations on cash	0
Cash and cash equivalents at beginning of fiscal period	22,200	52,056
Cash and cash equivalents at end of fiscal period	27,149	26,088
Reportable legal entities | Non-Guarantor Subsidiaries
Sources (uses) of cash and cash equivalents
Net cash provided by (used in) operating activities	(9,080)	(369)
Investing activities:
Capital expenditures	(5,067)	(8,295)
Proceeds from Sale of Property, Plant, and Equipment	(933)
Proceeds from Divestiture of Businesses, Net of Cash Divested	(10,125)
Net cash provided by (used in) investing activities	(5,991)	8,295
Financing activities:
Proceeds from revolving line of credit	0
Payments of long-term debt	(1,315)
Net cash provided by (used in) financing activities	(1,315)	0
Net increase (decrease) in cash and cash equivalents	4,404	8,664
Effect of foreign currency fluctuations on cash	(63)	189
Cash and cash equivalents at beginning of fiscal period	35,113	26,720
Cash and cash equivalents at end of fiscal period	$ 30,646	$ 18,245