Consolidated Balance Sheets (USD $)	Dec. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 317,144,000	$ 294,348,000
Accounts receivable, net of allowances of $10,513 and $13,315, respectively	104,405,000	92,278,000
Inventories	162,341,000	164,804,000
Deferred tax assets, net	4,440,000	6,284,000
Income tax receivable	10,630,000	5,613,000
Other receivables	11,942,000	24,821,000
Prepaid expenses and other current assets	29,175,000	24,967,000
Total current assets	640,077,000	613,115,000
Property and equipment, net	86,971,000	82,241,000
Intangible assets, net	74,822,000	59,931,000
Deferred tax assets, net	19,628,000	34,112,000
Other assets	53,661,000	40,239,000
Total assets	875,159,000	829,638,000
Current liabilities:
Accounts payable	57,450,000	63,976,000
Accrued expenses and other current liabilities	97,111,000	81,371,000
Deferred tax liabilities, net	11,199,000	2,405,000
Income taxes payable	15,992,000	8,147,000
Current portion of bank borrowings and capital lease obligations	5,176,000	2,039,000
Total current liabilities	186,928,000	157,938,000
Long term income tax payable	36,616,000	36,343,000
Long-term borrowings and capital lease obligations	11,670,000	4,596,000
Other liabilities	15,201,000	13,361,000
Total liabilities	250,415,000	212,238,000
Commitments and contingencies (Note 13)
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, 91,662,656 and 88,450,203 shares issued and outstanding, respectively, at December 31, 2013 and 91,047,297 and 88,662,845 shares issued and outstanding, respectively, at December 31, 2012	92,000	91,000
Treasury stock, at cost, 3,212,453 and 2,384,452 shares, respectively	(55,964,000)	(44,214,000)
Additional paid-in capital	321,532,000	307,823,000
Retained earnings	344,432,000	334,012,000
Accumulated other comprehensive income	14,652,000	19,688,000
Total stockholders' equity	624,744,000	617,400,000
Total liabilities and stockholders' equity	$ 875,159,000	$ 829,638,000