CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Net Income (Loss) Attributable to Parent	$ 90,566	$ 118,596
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation, depletion, and amortization	55,689	48,508
Deferred income taxes	4,019	22,064
Share-based compensation	8,930	6,353
Loss on the disposal of property, plant, equipment, and intangibles, net	1,795	292
Other items	1,331	(211)
Changes in operating assets and liabilities:
Accounts receivable, net	9,859	52,889
Inventories, net	(14,431)	10,065
Other current assets	12,040	(17,366)
Accounts payable	1,233	(13,397)
Accrued SYSTEM 1 Rebate Program and class action settlement	(247)	(63,516)
Accruals and other, net	(28,611)	16,659
Net cash provided by operating activities	142,173	180,936
Investing activities:
Purchases of property, plant, equipment, and intangibles, net	(64,778)	(63,878)
Proceeds from the sale of property, plant, equipment, and intangibles	4,739	29
Investments in businesses, net of cash acquired	(8,443)	(399,415)
Net cash used in investing activities	(68,482)	(463,264)
Financing activities:
Proceeds from Issuance of Long-term Debt	0	100,000
Repayments of Long-term Debt	(70,000)	0
Payments of Financing Costs	(43)	(1,581)
Proceeds (payments) Under Credit Facility, net	52,450	210,890
Repurchases of common shares	(23,236)	(7,893)
Cash dividends paid to common shareholders	(36,009)	(32,045)
Stock option and other equity transactions, net	11,877	14,517
Tax benefit from stock options exercised	1,864	2,161
Net cash used in financing activities	(63,097)	286,049
Effect of exchange rate changes on cash and cash equivalents	4,735	1,345
(Decrease) increase in cash and cash equivalents	15,329	5,066
Cash and cash equivalents at beginning of period	142,008	150,821
Cash and cash equivalents at end of period	$ 157,337	$ 155,887