CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	6 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash flows from operating activities:
Net loss	$ (19,613)	$ (10,950)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation, amortization and accretion	25,885	25,063
Change in fair value of contingent consideration	0	(1,806)
Provision for doubtful accounts, net	610	3,531
Deferred tax provision	(2,147)	153
Stock compensation	4,661	6,235
Loss (gain) on sale of assets	534	(938)
Impairment of long-lived assets	0	2,235
Restructuring costs	2,632	0
Other	0	287
Changes in operating assets and liabilities:
Trade accounts receivable	(140,615)	(147,330)
Inventories	(278,117)	(355,242)
Prepaid expenses and other current assets	(10,090)	(7,914)
Income tax receivable	6,665	(7,507)
Other assets	858	(215)
Trade accounts payable	102,324	160,514
Contingent consideration	0	(797)
Accrued expenses	21,845	6,124
Income taxes payable	(2,678)	(3,705)
Long-term liabilities	(2,370)	3,875
Net cash used in operating activities	(289,616)	(328,387)
Cash flows from investing activities:
Purchases of property and equipment	(31,626)	(36,484)
Purchases of tangible, intangible, and other assets, net	0	(4,700)
Proceeds from sale of assets	0	2,435
Net cash used in investing activities	(31,626)	(38,749)
Cash flows from financing activities:
Proceeds from issuance of short-term borrowings	302,801	342,335
Proceeds from issuance of stock under ESPP	412	0
Repayments of short-term borrowings	(91,900)	(30,896)
Cash paid for shares withheld for taxes	(4,037)	(413)
Excess tax benefit from stock compensation	1,084	59
Cash paid for repurchases of common stock	0	(69,201)
Contingent consideration paid	(19,784)	(161)
Repayment of mortgage principal	(252)	(239)
Net cash provided by financing activities	188,324	241,484
Effect of exchange rates on cash	(2,991)	284
Net change in cash and cash equivalents	(135,909)	(125,368)
Cash and cash equivalents at beginning of period	245,956	225,143
Cash and cash equivalents at end of period	110,047	99,775
Cash paid (refunded) during the period for:
Income taxes, net of $6,592 payments in fiscal year 2017	(9,407)	6,582
Income taxes paid	6,592
Interest	2,289	785
Non-cash investing and financing activities:
Accrued for purchases of property and equipment	1,875	2,621
Accrued for asset retirement obligations	517	558
Accrued for shares withheld for taxes	$ 6	$ 0