CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Cash flows from operating activities:
Net loss	$ (42,121)	$ (58,918)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation, amortization and accretion	12,268	13,021
Provision for doubtful accounts, net	3,015	549
Deferred tax benefit	(2,932)	(2,132)
Stock-based compensation	2,704	2,070
Excess tax benefit from stock compensation	25	59
Loss on sale of assets	126	244
Impairment of long-lived assets	131	0
Restructuring costs	1,518	1,732
Changes in operating assets and liabilities:
Trade accounts receivable, net	46,733	56,655
Inventories, net	(142,797)	(169,253)
Prepaid expenses and other current assets	10,112	4,681
Income tax receivable	(8,218)	(5,584)
Other assets	(118)	(556)
Trade accounts payable	132,108	112,130
Accrued expenses	(13,238)	6,050
Income taxes payable	(7,228)	(584)
Long-term liabilities	564	(3,498)
Net cash used in operating activities	(7,348)	(43,334)
Cash flows from investing activities:
Purchases of property and equipment, net	(3,835)	(20,114)
Net cash used in investing activities	(3,835)	(20,114)
Cash flows from financing activities:
Proceeds from short-term borrowings	0	110,000
Repayments of short-term borrowings	0	(66,633)
Cash paid for shares withheld for taxes	(893)	(1,106)
Contingent consideration paid	0	(19,784)
Repayment of mortgage principal	(133)	(125)
Net cash (used in) provided by financing activities	(1,026)	22,352
Effect of foreign currency exchange rates on cash	385	(2,551)
Net change in cash and cash equivalents	(11,824)	(43,647)
Cash and cash equivalents at beginning of period	291,764	245,956
Cash and cash equivalents at end of period	279,940	202,309
Cash paid (refunded) during the period for:
Income taxes, net of refunds ($886 and $15,220 as of June 30, 2017 and 2016, respectively)	2,266	(11,500)
Proceeds from Income Tax Refunds	886	15,220
Interest	580	913
Non-cash investing and financing activities:
Accrued for purchases of property and equipment	1,557	957
Accrued for asset retirement obligations	113	345
Accrued for shares withheld for taxes	$ 0	$ 321