CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Net (loss) income	$ 93,665	$ 90,566
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation, depletion, and amortization	69,440	55,689
Deferred income taxes	344	4,019
Share-based compensation	11,409	8,930
Loss on the disposal of property, plant, equipment, and intangibles, net	(400)	1,795
Other items	(5,392)	1,331
Changes in operating assets and liabilities:
Accounts receivable, net	29,192	9,859
Inventories, net	(27,014)	(14,431)
Other current assets	6,287	12,040
Accounts payable	(25,215)	1,233
Excess Tax Benefit from Share-based Compensation, Operating Activities	(8,880)	(1,864)
Accruals and other, net	21,774	(26,994)
Net cash provided by operating activities	165,210	142,173
Investing activities:
Purchases of property, plant, equipment, and intangibles, net	(56,757)	(64,778)
Proceeds from the sale of property, plant, equipment, and intangibles	812	4,739
Payments to Acquire Investments	(4,681)	0
Investments in businesses, net of cash acquired	(182,692)	(8,443)
Net cash used in investing activities	(243,318)	(68,482)
Financing activities:
Repayments of Other Long-term Debt	0	(70,000)
Proceeds from (Repayments of) Lines of Credit	117,200	52,450
Payments of Financing Costs	(7,347)	(43)
Repurchases of common shares	(20,110)	(23,236)
Cash dividends paid to common shareholders	(39,790)	(36,009)
Stock option and other equity transactions, net	19,245	11,877
Excess Tax Benefit from Share-based Compensation, Financing Activities	8,880	1,864
Net cash used in financing activities	78,078	(63,097)
Effect of exchange rate changes on cash and cash equivalents	(8,260)	4,735
(Decrease) increase in cash and cash equivalents	(8,290)	15,329
Cash and cash equivalents at beginning of period	152,802	142,008
Cash and cash equivalents at end of period	$ 144,512	$ 157,337