Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2017

Accounts Payable and Accrued Liabilities, Current [Abstract]

Accrued Expenses

Accrued expenses consist of the following:

	As of December 31,
(in thousands)	2017		2016
Salaries and wages	$	91,784	$	102,025
Insurance reserves	63,309		71,123
Vacation	40,281		42,411
Real estate taxes	30,743		34,002
Interest	13,745		12,948
Lease payable	11,942		11,211
Accrued utilities	10,807		10,582
Taxes payable	2,636		2,818
Other	64,719		40,917
Total	$	329,966	$	328,037