Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 235,601	$ 447,577
Trade accounts receivable, less allowances of $12,317 in 2011 and $11,536 in 2010	425,147	368,936
Inventories	241,421	217,104
Current deferred tax assets, net	51,125	44,548
Other current assets and prepaid expenses	65,569	66,730
Total current assets	1,018,863	1,144,895
Property, plant and equipment, Net	410,007	364,472
Goodwill	447,743	434,699
Other intangible assets, net	121,410	104,372
Non-current deferred tax assets, net	118,899	95,996
Other non-current assets	86,552	138,629
Total assets	2,203,474	2,283,063
Current liabilities:
Trade accounts payable	168,109	138,105
Accrued and other liabilities	100,320	100,793
Accrued compensation and related items	139,940	138,358
Deferred revenue and customer prepayments	99,584	86,746
Taxes payable	55,139	49,577
Current deferred tax liabilities	18,452	17,705
Short-term borrowings and current maturities of long-term debt	28,300	10,902
Total current liabilities	609,844	542,186
Long-term debt	476,715	670,301
Non-current deferred tax liabilities	125,833	124,523
Other non-current liabilities	209,945	174,469
Total liabilities	1,422,337	1,511,479
Commitments and contingencies (Note 17)
Shareholders’ equity:
Preferred stock, $0.01 par value per share; authorized 10,000,000 shares	0	0
Common stock, $0.01 par value per share; authorized 125,000,000 shares; issued 44,786,011 and 44,786,011 shares, outstanding 31,590,101 and 32,425,315 shares at December 31, 2011 and 2010, respectively	448	448
Additional paid-in capital	616,202	597,195
Treasury stock at cost (13,195,910 and 12,360,696 shares at December 31, 2011 and 2010, respectively)	(1,225,125)	(1,057,390)
Retained earnings	1,476,550	1,223,130
Accumulated Other Comprehensive Income (Loss), Net of Tax	(86,938)	8,201
Total shareholders’ equity	781,137	771,584
Total liabilities and shareholders’ equity	$ 2,203,474	$ 2,283,063