LEASE COMMITMENTS- Future obligations (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2017	$ 10,735
2018	10,282
2019	9,473
2020	7,490
2021	6,270
2022 and later years	41,928
Total	86,178
Operating Leases Rent Expense Net	$ 11,300	$ 10,900	$ 10,600
Leases expiring up to	Dec. 31, 2050