DEBT (Narrative) (Detail) (USD $)	12 Months Ended						3 Months Ended	9 Months Ended		3 Months Ended	12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Revolving Credit Facility [Member]	Dec. 31, 2012 Revolving Credit Facility [Member]	Dec. 31, 2013 Long-term Debt [Member]	Sep. 30, 2010 Senior Notes Five Thirteen [Member]	Sep. 30, 2013 Senior Notes Five Thirteen [Member]	Sep. 25, 2003 Senior Notes Five Thirteen [Member]	Sep. 30, 2013 Senior Notes Five Seventy Four [Member]	Dec. 31, 2013 Senior Notes Five Seventy Four [Member]	Sep. 25, 2003 Senior Notes Five Seventy Four [Member]	Dec. 31, 2013 Senior Notes Four Twenty Four [Member]	Dec. 08, 2011 Senior Notes Four Twenty Four [Member]	Dec. 31, 2013 Senior Notes Four Zero Five [Member]	Feb. 26, 2013 Senior Notes Four Zero Five [Member]	Dec. 31, 2013 Senior Notes Four Eleven [Member]	Sep. 26, 2013 Senior Notes Four Eleven [Member]	Dec. 31, 2013 Senior Notes Three Eighty Four [Member]	Dec. 08, 2011 Senior Notes Three Eighty Four [Member]	Dec. 31, 2013 Senior Notes Three Seventy [Member]	Feb. 26, 2013 Senior Notes Three Seventy [Member]	Dec. 31, 2013 Senior Notes Three Eighty Five [Member]	Feb. 26, 2013 Senior Notes Three Eighty Five [Member]	Dec. 31, 2013 Two Thousand Thirteen Senior Notes [Member]	Feb. 26, 2013 Two Thousand Thirteen Senior Notes [Member]	Dec. 31, 2013 Two Thousand Eleven Notes [Member]	Dec. 08, 2011 Two Thousand Eleven Notes [Member]	Dec. 31, 2013 Two Thousand Five [Member]	Dec. 01, 2005 Two Thousand Five [Member]	Dec. 31, 2013 Two Thousand Three Notes [Member]	Sep. 25, 2003 Two Thousand Three Notes [Member]	Dec. 31, 2013 Revolving Credit Facility [Member]
DebtInstrumentLineItems
DebtWeightedAverageInterestRate				1.70%	2.00%	3.00%
DebtInstrumentIssuanceDate																	Sep. 26, 2013								Feb. 26, 2013		Dec. 08, 2011		Dec. 01, 2005		Sep. 25, 2003
Debt Instrument, Maturity Date								Sep. 25, 2010			Sep. 25, 2013		Dec. 01, 2026		Feb. 26, 2028		Sep. 26, 2028		Dec. 01, 2021		Feb. 26, 2023		Feb. 26, 2025						Dec. 01, 2017
Repayments of Long-term Debt	$ 125,033,000	$ 0	$ 0				$ 75,000,000			$ 125,000,000
Debt Instrument, Face Amount									75,000,000			125,000,000		200,000,000		75,000,000		100,000,000		100,000,000		225,000,000		100,000,000		400,000,000		300,000,000		150,000,000		200,000,000
Debt Instrument, Interest Rate, Stated Percentage									5.13%			5.74%		4.24%		4.05%		4.11%		3.84%		3.70%		3.85%						5.51%
LineOfCreditFacilityMaximumBorrowingCapacity				500,000,000
Line Of Credit Facility Additional Borrowing Capacity				100,000,000
Letters of Credit Supported by Credit Facility				42,000,000
DebtInstrumentCovenantDescription	.60
LineOfCreditFacilityAmountOutstanding				50,000,000
LineOfCreditFacilityInterestRateDescription	Borrowings under the credit agreement will accrue interest based on (i) Libor or (ii) a base rate of the highest of (a) the federal funds rate plus 0.5%, (b) BofA’s announced prime rate, or (c) the Eurocurrency rate plus 1%, plus a margin. The interest rate and level of facility fees are dependent on certain financial ratios, as defined in the Credit Agreement. The Credit Agreement also provides customary fees, including administrative agent and commitment fees. In connection with the Credit Agreement, we paid customary transaction fees that have been deferred and are being amortized over the term of the Credit Agreement.
Debt Instrument, Covenant Ratio, Debt To Capitalization Limit	60.00%
Debt Covenant, Amount of Borrowing Available	1,300,000,000
Line of Credit Facility, Initiation Date																																	Aug. 31, 2012
InterestPaid	$ 31,000,000	$ 24,000,000	$ 17,000,000