OTHER COMPREHENSIVE INCOME (Changes In AOCI Net Of Tax) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014		Jun. 30, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
AOCI, Net of Tax, Beginning Balance			$ (99,631)
Other comprehensive income (loss) before reclassifications			2,943	[1]
Amounts reclassified from AOCI			3,461
Other comprehensive income	1,699	64,565	6,404		68,851
AOCI, Net of Tax, Ending Balance	(93,227)	(156,666)	(93,227)		(156,666)
Reclassification Adjustment for Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss) [Line Items]
AOCI, Net of Tax, Beginning Balance			(25,178)
Other comprehensive income (loss) before reclassifications			0	[1]
Amounts reclassified from AOCI			3,569
Other comprehensive income			3,569
AOCI, Net of Tax, Ending Balance	(21,609)		(21,609)
Amortization of Pension and Postretirement Plan Actuarial Loss and Prior Service Cost
Accumulated Other Comprehensive Income (Loss) [Line Items]
AOCI, Net of Tax, Beginning Balance			(74,453)
Other comprehensive income (loss) before reclassifications			2,943	[1]
Amounts reclassified from AOCI			(108)
Other comprehensive income			2,835
AOCI, Net of Tax, Ending Balance	$ (71,618)		$ (71,618)

[1] Remeasurement of the postretirement obligation was a result of the March 2014 sale of our cement and concrete businesses in the Florida area (see Note 16).