Interim Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Net sales
Products	$ 449,702	$ 468,678	$ 862,606	$ 890,826
Service	132,355	140,156	255,152	268,629
Total net sales	582,057	608,834	1,117,758	1,159,455
Cost of sales
Products	183,127	199,711	347,793	381,161
Service	76,018	80,947	148,248	157,477
Gross profit	322,912	328,176	621,717	620,817
Research and development	29,794	32,125	58,255	61,622
Selling, general and administrative	174,808	183,103	347,846	355,294
Amortization	7,634	7,283	15,162	14,377
Interest expense	6,942	5,956	13,667	11,622
Restructuring Charges	1,720	1,905	2,627	3,397
Other charges (income), net	(33)	406	(850)	723
Earnings before taxes	102,047	97,398	185,010	173,782
Provision for taxes	24,490	23,376	44,402	41,709
Net earnings	$ 77,557	$ 74,022	$ 140,608	$ 132,073
Basic earnings per common share:
Net earnings	$ 2.79	$ 2.55	$ 5.03	$ 4.52
Weighted average number of common shares	27,843,905	29,074,695	27,978,814	29,221,647
Diluted earnings per common share:
Net earnings	$ 2.73	$ 2.49	$ 4.91	$ 4.41
Weighted average number of common and common equivalent shares	28,460,336	29,750,815	28,611,637	29,918,456
Comprehensive Income, Net of Tax (Note 8)	$ 99,337	$ 71,631	$ 156,132	$ 131,536