Employee Defined Contribution Plans and Multi-Employer Pension Plans (Tables)
|12 Months Ended|
Dec. 31, 2018
|Postemployment Benefits [Abstract]|
|Schedule of Employee Defined Contribution Plans and Multi-Employer Pension Plans||
* Plans in the green zone are at least 80 percent funded.
Tabular disclosure of the quantitative and qualitative information related to multiemployer plans in which the employer participates. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef