XML 122 R72.htm IDEA: XBRL DOCUMENT v3.10.0.1
Other Long-Term Liabilities (Details)
$ in Thousands
Dec. 31, 2018
USD ($)
ManufacturingSite
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Environmental Remediation Obligations [Abstract]      
Accruals for extended environmental-related activities $ 322,459 $ 179,593 $ 163,847
Estimated costs of current investigation and remediation activities included in other accruals 51,038 $ 28,556 $ 19,969
Amount by which unaccrued maximum of estimated range exceeds minimum $ 117,518    
Number of manufacturing sites accounting for the majority of the accrual for environmental-related activities | ManufacturingSite 4    
Accruals for environmental-related activities of sites accounting for the majority of the accrual for environmental-related activities $ 326,202    
Percentage of accrual for environmental-related activities related to sites accounting for the majority of the accrual for environmental-related activities 87.20%    
Amount of unaccrued maximum related to sites accounting for the majority of the accrual for environmental-related activities $ 93,191    
Percentage of aggregate unaccrued maximum related to sites accounting for the majority of the accrual for environmental-related activities 79.30%