Interim Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 120,217	$ 101,702
Trade accounts receivable, less allowances of $12,774 at June 30, 2013 and $14,120 at December 31, 2012	418,031	437,390
Inventories	203,288	198,939
Current deferred tax assets, net	59,144	57,690
Other current assets and prepaid expenses	74,696	69,199
Total current assets	875,376	864,920
Property, plant and equipment, net	474,050	469,421
Goodwill	447,166	452,351
Other intangible assets, net	114,496	117,564
Non-current deferred tax assets, net	125,090	127,110
Other non-current assets	97,259	86,034
Total assets	2,133,437	2,117,400
Current liabilities:
Trade accounts payable	122,755	142,362
Accrued and other liabilities	107,806	109,844
Accrued compensation and related items	99,709	117,405
Deferred revenue and customer prepayments	85,142	71,435
Taxes payable	59,629	64,000
Current deferred tax liabilities	16,054	16,031
Short-term borrowings and current maturities of long-term debt	17,931	41,600
Total current liabilities	509,026	562,677
Long-term debt	443,727	347,131
Non-current deferred tax liabilities	138,233	139,487
Other non-current liabilities	231,349	240,886
Total liabilities	1,322,335	1,290,181
Commitments and contingencies (Note 14)
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 29,945,248 and 30,410,006 shares at June 30, 2013 and December 31, 2012, respectively	448	448
Additional paid-in capital	644,557	638,705
Treasury stock at cost (14,480,763 shares at June 30, 2013 and 14,376,005 shares at December 31, 2012)	(1,588,676)	(1,463,924)
Retained earnings	1,863,514	1,749,451
Accumulated other comprehensive income (loss)	(108,741)	(97,461)
Total shareholders' equity	811,102	827,219
Total liabilities and shareholders' equity	$ 2,133,437	$ 2,117,400