XML 86 R71.htm IDEA: XBRL DOCUMENT v3.8.0.1
ACCOUNTING POLICIES (Useful life of property, plant & equipment) (Details)
 12 Months Ended
Dec. 31, 2017
Buildings and improvements | Bottom of range  
Disclosure of detailed information about property, plant and equipment [line items]  
Useful life, property, plant and equipment P10Y
Buildings and improvements | Top of range  
Disclosure of detailed information about property, plant and equipment [line items]  
Useful life, property, plant and equipment P50Y
Production equipment | Bottom of range  
Disclosure of detailed information about property, plant and equipment [line items]  
Useful life, property, plant and equipment P5Y
Production equipment | Top of range  
Disclosure of detailed information about property, plant and equipment [line items]  
Useful life, property, plant and equipment P40Y
Vehicles, furniture and fixtures | Bottom of range  
Disclosure of detailed information about property, plant and equipment [line items]  
Useful life, property, plant and equipment P3Y
Vehicles, furniture and fixtures | Top of range  
Disclosure of detailed information about property, plant and equipment [line items]  
Useful life, property, plant and equipment P20Y