Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Assets
Cash and cash equivalents	$ 573,248	$ 465,995
Accounts receivable, net of allowance for doubtful accounts of $3,314 and $3,417, respectively	421,939	479,140
Inventories, net	375,085	411,986
Prepaid expenses and other assets	37,207	31,351
Income taxes receivable	619	156
Total current assets	1,408,098	1,388,628
Property, plant and equipment, net of accumulated depreciation of $395,378 and $379,088, respectively	170,602	178,170
Goodwill	200,035	199,290
Deferred income taxes	13,046	14,088
Other, net	108,368	113,702
Total assets	1,900,149	1,893,878
Current liabilities:
Current installments of long-term debt and capital lease obligations	12,336	12,284
Accounts payable	272,970	251,163
Income taxes payable	4,204	5,069
Accrued liabilities	57,832	64,578
Total current liabilities	347,342	333,094
Long-term debt and capital lease obligations, less current installments	217,086	222,909
Other long-term liabilities	17,604	15,971
Shareholders' equity:
Common stock, $0.10 par value; 145,000 shares authorized; issued and outstanding - 48,935 and 50,178, respectively	4,893	5,018
Additional paid-in capital	613,412	624,997
Retained earnings	715,195	704,905
Accumulated other comprehensive loss	(15,383)	(13,016)
Total shareholders' equity	1,318,117	1,321,904
Total liabilities and shareholders' equity	$ 1,900,149	$ 1,893,878