LEASE COMMITMENTS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Rent expense under operating leases	$ 27,360	$ 26,583	$ 30,813
Assets recorded under capital leases
Assets recorded under capital leases, Gross	4,646	3,015
Accumulated depreciation	(2,102)	(663)
Assets recorded under capital leases, Net	2,544	2,352
Future minimum payments under capital leases, by year and in the aggregate
2017	936
2018	740
2019	80
2020	3
Total minimum lease payments	1,759
Amounts representing interest	(217)
Present value of future minimum lease payments	1,542
Lease amount due in one year	(803)
Total	739
Future minimum payments under noncancelable operating leases, by year and in the aggregate
2017	22,066
2018	14,864
2019	10,934
2020	6,882
2021	6,309
Subsequent to 2021	15,830
Total minimum lease payments	76,885
Building
Assets recorded under capital leases
Assets recorded under capital leases, Gross	2,119	2,184
Machinery and equipment
Assets recorded under capital leases
Assets recorded under capital leases, Gross	$ 2,527	$ 831