DETAILS OF CERTAIN BALANCE SHEET ACCOUNTS (Tables)

6 Months Ended

Sep. 30, 2017

Balance Sheet Related Disclosures [Abstract]

Accounts receivable, net:



	March 31,			September 30,
(in thousands)	2017			2017
Accounts receivable	$	184,068		$	186,870
Provisions for returns	(10,541		)	(9,865		)
Provisions for promotions, rebates, and other	(31,747		)	(36,513		)
Provisions for doubtful accounts and sales allowances	(603		)	(809		)
Accounts receivable, net	$	141,177		$	139,683

Inventory, net

Inventory, net:



	March 31,		September 30,
(in thousands)	2017		2017
Raw materials	$	20,260	$	22,668
Work in process	215		237
Finished goods	34,981		38,094
Inventory, net	$	55,456	$	60,999

Accrued liabilities

Accrued Liabilities:



	March 31,		September 30,
(in thousands)	2017		2017
Employee compensation and benefits	$	36,415	$	22,278
Accrued interest on 5.50% Senior Notes	10,407		10,312
Warranty obligation	6,863		6,739
VAT/Sales tax payable	5,433		5,852
Derivative liabilities	1,323		4,588
Accrued other	13,844		18,665
Accrued liabilities	$	74,285	$	68,434

Changes in the warranty obligation

Changes in the warranty obligation during the six months ended September 30, 2016 and 2017 were as follows:



	Six Months Ended September 30,
(in thousands)	2016			2017
Warranty obligation at beginning of period	$	8,537		$	8,697
Warranty provision related to products shipped	4,649			4,635
Deductions for warranty claims processed	(4,742		)	(5,080		)
Adjustments related to preexisting warranties	96			405
Warranty obligation at end of period⁽¹⁾	$	8,540		$	8,657

⁽¹⁾Includes both short-term and long-term portion of warranty obligation; the prior table shows only the short-term portion included in accrued liabilities on our condensed consolidated balance sheet. The long-term portion is included in other long-term liabilities.