DEBT (Table)

12 Months Ended

Dec. 31, 2014

Debt Instruments [Abstract]

ScheduleOfDebtTableTextBlock

(In thousands)	2014		2014		2013		2013
	Carrying Value		Estimated Fair Value		Carrying Value		Estimated Fair Value
Industrial revenue bond, due 2023	$	8,400	$	8,400	$	8,400	$	8,400
Revolving credit agreement, due 2019	—		—		50,000		50,000
5.51% Senior notes due 2017	150,000		162,617		150,000		163,059
3.84% Senior notes due 2021	99,934		99,934		98,632		98,632
3.70% Senior notes due 2023	225,000		225,748		225,000		209,140
3.85% Senior notes due 2025	98,360		98,360		88,555		88,555
4.24% Senior notes due 2026	197,237		197,237		173,557		173,557
4.05% Senior notes due 2028	74,348		74,348		64,411		64,411
4.11% Senior notes due 2028	100,000		100,801		100,000		89,252
Other debt	1,069		1,069		1,383		1,383
Total debt	954,348		968,514		959,938		946,389
Less: current portion of long-term debt and short-term debt	1,069		1,069		1,334		1,334
Total long-term debt	$	953,279	$	967,445	$	958,604	$	945,055

ScheduleOfMaturitiesOfLongTermDebtTableTextBlock

(In thousands)
2015	$	1,069
2016	—
2017	150,000
2018	—
2019	—
Thereafter	803,279
Total	$	954,348