Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Nov. 30, 2016	Nov. 30, 2015
Cash provided (used) by operating activities:
Net income	$ 104,993	$ 91,640
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	33,323	31,946
Amortization of financing costs	876	869
Provision for doubtful receivables	1,489	501
Non-cash share-based compensation	11,661	6,146
Non-cash intangible asset impairment charges	7,400	3,000
Loss on the sale or disposal of property and equipment	167	66
Deferred income taxes and tax credits	(8,769)	(3,833)
Changes in operating capital, net of effects of acquisition of business:
Receivables	(66,005)	(66,981)
Inventories	7,001	(46,316)
Prepaid expenses and other current assets	(2,134)	(361)
Other assets and liabilities, net	(3,772)	8,251
Accounts payable	29,004	24,020
Accrued expenses and other current liabilities	22,410	22,892
Accrued income taxes	1,496	1,908
Net cash provided by operating activities	139,140	73,748
Cash provided (used) by investing activities:
Capital and intangible asset expenditures	(14,989)	(12,418)
Proceeds from the sale of property and equipment	32	7
Payments to acquire businesses	(209,258)	(42,750)
Net cash used by investing activities	(224,215)	(55,161)
Cash provided (used) by financing activities:
Proceeds from line of credit	328,600	415,200
Repayment of line of credit	(380,600)	(371,800)
Repayment of long-term debt	(3,800)	(1,900)
Payment of financing costs	(89)	(19)
Proceeds from share issuances under share-based compensation plans	7,451	10,778
Payment of tax obligations resulting from cashless share award settlement	(507)
Payment of tax obligations resulting from cashless share settlement of severance obligation		(12,000)
Payments for repurchases of common stock	(75,000)	(50,000)
Net cash used by financing activities	(123,945)	(9,741)
Net increase (decrease) in cash and cash equivalents	(209,020)	8,846
Cash and cash equivalents, beginning balance	225,800	12,295
Cash and cash equivalents, ending balance	$ 16,780	$ 21,141