CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash flows from operating activities:
Net income	$ 55,312	$ 41,660
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	5,697	6,956
Deferred taxes	14	332
Non-cash share-based compensation	1,163	757
Gain on disposal of long-lived assets	(282)	(247)
Discount amortization on convertible notes	182	169
Change in assets and liabilities:
Accounts receivable, net	(196,563)	(166,914)
Inventories	18,518	3,602
Other assets	53	(5,948)
Accounts payable and accrued expenses	(3,328)	17,690
Accrued employee compensation and benefits	(1,977)	2,372
Accrued warranty expense	1,539	348
Income taxes receivable/payable	(2,348)	(381)
Other liabilities	(2,778)	(956)
Net cash used in operating activities	(124,798)	(100,560)
Cash flows from investing activities:
Capital expenditures	(4,048)	(3,145)
Proceeds from sales of property and equipment	44	3,651
Net cash (used in) provided by investing activities	(4,004)	506
Cash flows from financing activities:
Proceeds from credit facilities, net	114,927	79,489
Exercise of stock options	1,591	0
Dividends paid	(774)	(1,495)
Equity issuance costs	5	0
Net cash provided by financing activities	115,749	77,994
Effect of exchange rate changes on cash and cash equivalents	(183)	(1,871)
Net decrease in cash and cash equivalents	(13,236)	(23,931)
Cash and cash equivalents at beginning of period	36,793	52,003
Cash and cash equivalents at end of period	23,557	28,072
Supplemental disclosures:
Cash paid for income taxes, net	(3,817)	(2,527)
Cash paid for interest and fees	(2,944)	(2,062)
Noncash investing and financing activities:
Dividends payable	0	131
Acquisition of treasury stock for minimum statutory withholding taxes	0	357
Accrued capital expenditures at period end	$ 435	$ 564