Other Assets, Net (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019	Jun. 30, 2019
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Assets held in Rabbi Trust	$ 30,843		$ 35,413
Right-of-use assets for operating leases, net	17,606		18,344
Equity method investment	7,574		8,169
Capitalized software, net	9,841		8,759
Deferred loan costs, net	766		855
Other non-current assets	1,048		1,298
Total Other assets, net	67,678		72,838
Accumulated amortization of capitalized software	34,400		$ 34,200
Schedule of Equity Method Investments [Line Items]
Loss on equity method investment	(595)	$ 0
WorkLLama
Schedule of Equity Method Investments [Line Items]
Percent ownership of equity method investment				50.00%
Loss on equity method investment	$ 600