Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Assets
Cash and cash equivalents	$ 345,555	$ 384,579
Accounts receivable, net of allowance for doubtful accounts of $338 and $1,442, respectively	559,763	459,081
Inventories, net	396,699	324,041
Prepaid expenses and other assets	26,283	29,539
Income taxes receivable	3,231	8,062
Deferred income taxes	11,302	8,889
Total current assets	1,342,833	1,214,191
Long-term investments	9,921	10,324
Property, plant and equipment, net	185,319	176,104
Goodwill, net	44,691	37,912
Deferred income taxes	33,856	29,535
Other, net	40,751	33,411
Total assets	1,657,371	1,501,477
Current liabilities:
Current installments of capital lease obligations	582	497
Accounts payable	320,953	260,622
Income taxes payable	9,570	3,828
Accrued liabilities	67,272	65,568
Total current liabilities	398,377	330,515
Capital lease obligations, less current installments	9,521	10,103
Other long-term liabilities	20,369	19,578
Deferred income taxes	2,071	1,756
Shareholders' equity:
Preferred shares, $0.10 par value; 5,000 shares authorized, none issued
Common shares, $0.10 par value; 145,000 shares authorized; issued - 53,936 and 55,297, respectively; outstanding - 53,825 and 55,186, respectively	5,383	5,519
Additional paid-in capital	644,594	651,148
Retained earnings	586,422	493,666
Accumulated other comprehensive loss	(9,094)	(10,536)
Less treasury shares, at cost; 111 shares	(272)	(272)
Total shareholders' equity	1,227,033	1,139,525
Commitments and contingencies
Total liabilities and shareholders' equity	$ 1,657,371	$ 1,501,477