DEBT (Table)

12 Months Ended

Dec. 31, 2015

Debt Instruments [Abstract]

ScheduleOfDebtTableTextBlock

(In thousands)	2015		2015		2014		2014
	Carrying Value		Estimated Fair Value		Carrying Value		Estimated Fair Value
Industrial revenue bond, due 2023	$	—	$	—	$	8,400	$	8,400
5.51% Senior notes due 2017	150,000		158,024		150,000		162,617
3.84% Senior notes due 2021	100,307		100,307		99,934		99,934
3.70% Senior notes due 2023	225,000		224,322		225,000		225,748
3.85% Senior notes due 2025	100,450		100,450		98,360		98,360
4.24% Senior notes due 2026	201,422		201,422		197,237		197,237
4.05% Senior notes due 2028	75,904		75,904		74,348		74,348
4.11% Senior notes due 2028	100,000		99,720		100,000		100,801
Other debt	1,259		1,259		1,069		1,069
Total debt	954,342		961,408		954,348		968,514
Less: current portion of long-term debt and short-term debt	1,259		1,259		1,069		1,069
Total long-term debt	$	953,083	$	960,149	$	953,279	$	967,445

ScheduleOfMaturitiesOfLongTermDebtTableTextBlock

(In thousands)
2016	$	1,259
2017	150,000
2018	—
2019	—
2020	—
Thereafter	803,083
Total	$	954,342