XML 47 R58.htm IDEA: XBRL DOCUMENT v3.19.3
Leases - Schedule of Supplemental Balance Sheet and Other Information Related to Leases (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Operating Leases:    
Right of use assets, operating leases $ 219,207 $ 0
Lease liabilities:    
Short-term lease liabilities, operating leases 49,074 0
Long-term lease liabilities, operating leases 188,571 $ 0
Total operating lease liabilities 237,645  
Finance Leases:    
Other noncurrent assets 1,362  
Lease liabilities:    
Accrued expenses and other current liabilities $ 558  
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List] psn:AccruedExpensesAndOtherCurrentLiabilities  
Other long-term liabilities $ 736  
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] us-gaap:OtherLiabilitiesNoncurrent  
Total finance lease liabilities $ 1,294  
Weighted Average Remaining Lease Term:    
Operating leases 6 years  
Finance leases 3 years  
Weighted Average Discount Rate:    
Operating leases 4.30%  
Finance leases 4.40%