CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 547,780	$ 531,374
Accounts receivable, net	311,787	354,658
Inventories	340,300	320,605
Prepaid expenses and other current assets	83,165	93,691
Deferred income taxes, net	38,394	38,873
Total current assets	1,321,426	1,339,201
Property and equipment, net	249,002	247,094
Deferred income taxes, net	20,278	19,941
Goodwill	536,780	553,335
Intangible assets, net	125,818	133,212
Other assets	59,054	61,240
Total assets	2,312,358	2,354,023
Current liabilities:
Accounts payable	106,120	98,173
Deferred revenue	27,439	27,878
Accrued payroll and related liabilities	48,478	62,065
Accrued product warranties	13,199	13,538
Advance payments from customers	30,746	28,276
Accrued expenses	48,050	51,810
Accrued income taxes	2,298	4,586
Other current liabilities	3,212	8,231
Current portion, long term debt	15,000	15,000
Total current liabilities	294,542	309,557
Long-term debt	354,351	357,986
Deferred income taxes	13,486	13,905
Accrued income taxes	11,242	11,096
Other long-term liabilities	52,919	51,706
Commitments and contingencies
Shareholders’ equity:
Preferred stock, $0.01 par value, 10,000 shares authorized; no shares issued at March 31, 2015, and December 31, 2014	0	0
Common stock, $0.01 par value, 500,000 shares authorized, 139,891 and 139,579 shares issued at March 31, 2015, and December 31, 2014, respectively, and additional paid-in capital	11,476	1,396
Retained earnings	1,704,319	1,671,786
Accumulated other comprehensive loss	(129,977)	(63,409)
Total shareholders’ equity	1,585,818	1,609,773
Total liabilities and shareholders' equity	$ 2,312,358	$ 2,354,023