Interim Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Net sales
Products	$ 401,612	$ 419,991
Service	122,741	115,409
Total net sales	524,353	535,400
Cost of sales
Products	172,159	187,845
Service	72,941	70,453
Gross profit	279,253	277,102
Research and development	27,700	28,667
Selling, general and administrative	166,120	167,641
Amortization	5,122	5,199
Interest expense	5,400	5,823
Restructuring Charges	5,002	308
Other charges (income), net	773	156
Earnings before taxes	69,136	69,308
Provision for taxes	16,592	16,981
Net Income (Loss) Attributable to Parent	52,544	52,327
Basic earnings per common share:
Net earnings	$ 1.73	$ 1.66
Weighted average number of common shares	30,299,569	31,531,915
Diluted earnings per common share:
Net earnings	$ 1.69	$ 1.62
Weighted average number of common and common equivalent shares	31,101,979	32,386,924
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	$ 35,429	$ 73,118