Description of the Business and Summary of Significant Accounting Policies - Other Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Jan. 01, 2019	Dec. 31, 2018
Other Liabilities [Abstract]
Pension and postretirement benefits liability	$ 32,670		$ 34,712
Straight-line lease liability		$ 100,100	100,068
Deferred compensation liability	29,174		24,687
Derivative Liabilities	2,174
Other	953		1,576
Total other liabilities	$ 64,971		$ 161,043