DEBT - Schedule of Long-Term Debt (Parenthetical) (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013
$1 billion senior credit facility weighted average rate1.60%, due in 2016 [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 1,000,000,000
Weighted average interest rate	1.60%
$100 million private placement notes 5.64%, due in 2015 [Member]
Debt Instrument [Line Items]
Long-term debt, face amount	100,000,000
Stated interest rate	5.64%
$175 million private placement notes 3.89%, due in 2017 [Member]
Debt Instrument [Line Items]
Long-term debt, face amount	175,000,000
Stated interest rate	3.89%
$125 million private placement notes 2.68%, due in 2019 [Member]
Debt Instrument [Line Items]
Long-term debt, face amount	125,000,000
Stated interest rate	2.68%
$225 million private placement notes 4.47%, due in 2020 [Member]
Debt Instrument [Line Items]
Long-term debt, face amount	225,000,000
Stated interest rate	4.47%
$125 million private placement notes 3.26%, due in 2022 [Member]
Debt Instrument [Line Items]
Long-term debt, face amount	$ 125,000,000
Stated interest rate	3.26%
Acquisition notes weighted average rate of 2.26% and weighted average maturity of 3.6 years [Member]
Debt Instrument [Line Items]
Weighted average interest rate	2.26%
Weighted average maturity	3 years 7 months 6 days
Foreign bank debt weighted average rate 8.37% and weighted average maturity of 1.6 years [Member]
Debt Instrument [Line Items]
Weighted average interest rate	8.37%
Weighted average maturity	1 year 7 months 6 days