Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015		Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 180,698		$ 267,512
Accounts receivable, net of allowances of $33,745 and $32,392, respectively	174,099		101,217
Inventories	184,720		171,012
Deferred tax assets, net	3,971		4,190
Income tax receivable	11,833		9,332
Other receivables	11,775		11,989
Prepaid expenses and other current assets	27,056		30,156
Total current assets	594,152		595,408
Property and equipment, net	68,277		68,288
Intangible assets, net	89,384		97,337
Goodwill	2,227	[1]	2,044	[1]
Deferred tax assets, net	17,536		17,886
Other assets	23,640		25,968
Total assets	795,216		806,931
Current liabilities:
Accounts payable	81,455		42,923
Accrued expenses and other current liabilities	83,887		80,216
Deferred tax liabilities, net	11,853		11,869
Accrued restructuring	4,708		4,511
Income taxes payable	6,186		9,078
Current portion of long-term borrowings and capital lease obligations	5,284		5,288
Total current liabilities	193,373		153,885
Long term income tax payable	7,832		8,843
Long-term borrowings and capital lease obligations	5,074		6,381
Long-term accrued restructuring	244		348
Other liabilities	9,753		12,277
Total liabilities	216,276		181,734
Commitments and contingencies (Note 13)
Series A convertible preferred shares, par value $0.001 per share, 1,000,000 shares authorized, 200,000 shares issued and outstanding, redemption amount and liquidation preference of $202,833 and $203,067 as of March 31, 2015 and December 31, 2014, respectively (Note 12)	173,400		172,679
Stockholders' equity:
Preferred stock, par value $0.001 per share, 4,000,000 shares authorized, none outstanding
Common stock, par value $0.001 per share, 250,000,000 shares authorized, 92,771,653 and 77,222,053 shares issued and outstanding, respectively, as of March 31, 2015 and 92,325,201 and 78,516,566 shares issued and outstanding, respectively, as of December 31, 2014	93		92
Treasury stock, at cost, 15,549,600 and 13,808,635 shares as of March 31, 2015 and December 31, 2014, respectively	(220,635)		(200,424)
Additional paid-in capital	348,807		345,732
Retained earnings	319,491		325,470
Accumulated other comprehensive loss	(42,216)		(18,352)
Total stockholders' equity	405,540		452,518
Total liabilities, commitments and contingencies and stockholders' equity	$ 795,216		$ 806,931

[1] Change in goodwill relates entirely to foreign currency translation.