SEGMENT INFORMATION (Geographic) (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
RevenuesFromExternalCustomersAndLongLivedAssetsLineItems
Net Sales	$ 655,771	$ 614,880	$ 638,996	$ 578,314	$ 648,622	$ 595,393	$ 620,298	$ 547,522	$ 2,487,961	$ 2,411,835	$ 2,271,026
Property, plant, and equipment, net	385,593				374,660				385,593	374,660	390,235
United States [Member]
RevenuesFromExternalCustomersAndLongLivedAssetsLineItems
Net Sales									1,710,371	1,623,511	1,562,180
Property, plant, and equipment, net	271,609				258,504				271,609	258,504	264,829
United Kingdom [Member]
RevenuesFromExternalCustomersAndLongLivedAssetsLineItems
Net Sales									120,297	126,439	118,350
Property, plant, and equipment, net	34,228				34,649				34,228	34,649	41,100
Other Foreign Countries [Member]
RevenuesFromExternalCustomersAndLongLivedAssetsLineItems
Net Sales									657,293	661,885	590,496
Property, plant, and equipment, net	$ 79,756				$ 81,507				$ 79,756	$ 81,507	$ 84,306