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OPERATING LEASES (FY)
12 Months Ended
Dec. 31, 2017
Leases [Abstract]  
OPERATING LEASES
14.   OPERATING LEASES
 
The Company leases office and manufacturing facilities under operating leases with terms ranging from one to 15 years, excluding renewal options.
 
Total net rental expense charged to operations in 2017, 2016, and 2015 was $34.6 million, $27.2 million and $20.2 million, respectively.  The amounts above are shown net of sublease rentals which were immaterial for the years 2017, 2016 and 2015, respectively.
 
Future minimum rental payments under operating leases with remaining non-cancelable terms in excess of one year are as follows:
 
   
Real
       
 
In thousands
 
Estate
  
Equipment
  
Total
 
 
2018          
 
$
28,957
  
$
2,690
  
$
31,647
 
 
2019          
  
25,857
   
1,925
   
27,782
 
 
2020          
  
24,266
   
976
   
25,242
 
 
2021          
  
19,561
   
512
   
20,073
 
 
2022          
  
16,350
   
271
   
16,621
 
 
2023 and after          
  
66,017
   
24
   
66,041