CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net income (loss)	$ 7,438	$ (19,613)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation, amortization and accretion	24,453	25,885
Provision for doubtful accounts	4,678	610
Deferred tax benefit	(3,449)	(2,147)
Stock-based compensation	6,866	4,661
Excess tax benefits from stock compensation	76	1,084
Loss on sale of assets	273	534
Impairment of long-lived assets	393	0
Restructuring charges	1,518	2,632
Changes in operating assets and liabilities:
Trade accounts receivable, net	(152,607)	(140,615)
Inventories, net	(256,709)	(278,117)
Prepaid expenses and other current assets	(2,096)	(10,090)
Income tax receivable	16,999	6,665
Other assets	(667)	858
Trade accounts payable	148,894	102,324
Accrued expenses	11,132	21,845
Income taxes payable	5,208	(2,678)
Long-term liabilities	4,810	(2,370)
Net cash used in operating activities	(182,790)	(288,532)
Cash flows from investing activities:
Purchases of property and equipment, net	(10,151)	(31,626)
Net cash used in investing activities	(10,151)	(31,626)
Cash flows from financing activities:
Proceeds from short-term borrowings	156,751	302,801
Repayments of short-term borrowings	(24,000)	(91,900)
Proceeds from issuance of stock under the employee stock purchase plan	353	412
Cash paid for shares withheld for taxes	(1,871)	(4,037)
Contingent consideration paid	0	(19,784)
Repayment of mortgage principal	(265)	(252)
Net cash provided by financing activities	130,968	187,240
Effect of foreign currency exchange rates on cash	795	(2,991)
Net change in cash and cash equivalents	(61,178)	(135,909)
Cash and cash equivalents at beginning of period	291,764	245,956
Cash and cash equivalents at end of period	230,586	110,047
Cash paid (refunded) during the period for:
Income taxes refunded, net of payments ($4,111 and $6,592 as of September 30, 2017 and 2016, respectively)	(14,397)	(9,407)
Payments for Income Taxes	4,111	6,592
Interest	1,607	2,289
Non-cash investing and financing activities:
Accrued for purchases of property and equipment	2,757	1,875
Accrued for asset retirement obligations	$ 540	$ 517