Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Operating Activities
Net income (loss)	$ (115,873)	$ 28,806	$ (247,734)
Adjustments to reconcile net income (loss) to net cash provided by (used for) operating activities
Intangibles amortization and depreciation	18,211	19,123	18,459
Loss (gain) on sale of property	92	(105)	(253)
Deferred taxes	(8,672)	4,144	(18,398)
Stock compensation expense	6,589	7,712	9,296
Change in fair value of interest-rate swaps	(832)	606	(530)
Goodwill impairment loss	154,429	0	317,797
Joint venture investment loss	822	2,670	0
Changes in operating assets and liabilities (net of acquisitions)
Accounts receivable, net	(2,866)	10,047	135
Inventories, net	3,299	1,231	(3,540)
Costs/estimated earnings in excess of billings on uncompleted contracts	11,767	(13,928)	19,133
All other assets	(778)	(3,217)	(2,822)
Billings in excess of costs/estimated earnings on uncompleted contracts	2,543	(908)	(6,603)
All other liabilities	(12,385)	(9,480)	(19,119)
Net cash provided by (used for) operating activities	56,346	46,701	65,821
Investing Activities
Capital expenditures	(7,338)	(6,323)	(7,633)
Capital disposals	16	389	280
Acquisition of businesses (payments)/recoveries	0	17	(39,770)
Prior merger-related (payments)/recoveries	(779)	(2,388)	(1,295)
Net cash provided by (used for) investing activities	(8,101)	(8,305)	(48,418)
Financing Activities
Proceeds (repayments) from long-term debt	(27,382)	7,735	(1,911)
Proceeds (repayments) from short-term debt	2,267	4,005	0
Deferred financing costs	0	(20)	(1,743)
Purchase of treasury stock	(21,794)	(37,214)	(15,292)
Proceeds from the exercise of stock options	988	0	0
Payment of dividends	(5,576)	(5,206)	(4,798)
Increase (decrease) in cash overdrafts	(524)	1,237	0
Net cash provided by (used for) financing activities	(52,021)	(29,463)	(23,744)
Foreign currency exchange impact on cash	3,866	(657)	(2,427)
Increase/(decrease) in cash and cash equivalents	90	8,276	(8,768)
Cash and cash equivalents at beginning of period	30,720	22,444	31,212
Cash and cash equivalents at end of period	30,810	30,720	22,444
Supplemental cash flow
Cash paid for interest	5,527	5,092	6,557
Cash paid for income taxes	13,651	10,097	29,437
Non-cash financing activities
Dividends payable	1,400	1,291	1,223
Capital leases	$ 260	$ 33	$ 36