Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
ASSETS
Cash and cash equivalents	$ 332,491	$ 294,348
Accounts receivable, net of allowances of $14,626 and $13,315, respectively	120,079	92,278
Inventories	176,118	164,804
Deferred tax assets, net	5,647	6,284
Income tax receivable	16,666	5,613
Other receivables	17,201	24,821
Prepaid expenses and other current assets	30,869	24,967
Total current assets	699,071	613,115
Property and equipment, net	94,233	82,241
Intangible assets, net	69,081	59,931
Deferred tax assets, net	33,529	34,112
Other assets	50,672	40,239
Total assets	946,586	829,638
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	66,198	63,976
Accrued expenses and other current liabilities	99,277	81,371
Deferred tax liabilities, net	2,383	2,405
Income taxes payable	27,868	8,147
Current portion of bank borrowings and capital lease obligations	4,262	2,039
Total current liabilities	199,988	157,938
Long term income tax payable	32,457	36,343
Long-term borrowings and capital lease obligations	9,345	4,596
Other liabilities	14,571	13,361
Total liabilities	256,361	212,238
Commitments and contingencies (Note 12)
Stockholders' equity:
Preferred shares, par value $0.001 per share, 5,000,000 shares authorized, none outstanding
Common shares, par value $0.001 per share, 250,000,000 shares authorized, 91,643,474 and 88,426,104 shares issued and outstanding, respectively, at September 30, 2013 and 91,047,297 and 88,662,845 shares issued and outstanding, respectively, at December 31, 2012	92	91
Treasury stock, at cost, 3,217,370 and 2,384,452 shares, respectively	(56,198)	(44,214)
Additional paid-in capital	319,516	307,823
Retained earnings	411,365	334,012
Accumulated other comprehensive income	15,450	19,688
Total stockholders' equity	690,225	617,400
Total liabilities and stockholders' equity	$ 946,586	$ 829,638