DEBT - Schedule of Long-Term Debt (Detail) (USD $)	3 Months Ended
Mar. 31, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Total debt	$ 1,575,389,000us-gaap_DebtAndCapitalLeaseObligations	$ 1,659,215,000us-gaap_DebtAndCapitalLeaseObligations
Less: current portion of total debt	113,212,000	131,969,000
Long-term portion of total debt	1,462,177,000	1,527,246,000
Obligations under capital leases
Debt Instrument [Line Items]
Total debt	7,427,000	9,185,000
$1.2 billion senior credit facility weighted average rate 1.72%, due in 2019
Debt Instrument [Line Items]
Total debt	175,564,000	459,975,000
Maximum borrowing capacity of line of credit facility	1,200,000,000.0
Long-term Debt, Weighted Average Interest Rate	1.72%
$250 million term loan 0.92%, due in 2015
Debt Instrument [Line Items]
Total debt	250,000,000	0
Long-term debt, face amount	250,000,000
$250 million term loan 0.92%, due in 2015
Debt Instrument [Line Items]
Long-term debt, face amount	250,000,000
Stated interest rate	0.92%
$100 million private placement notes 5.64%, due in 2015
Debt Instrument [Line Items]
Total debt	100,000,000	100,000,000
Long-term debt, face amount	100,000,000.0
Stated interest rate	5.64%
$175 million private placement notes 3.89%, due in 2017
Debt Instrument [Line Items]
Total debt	175,000,000	175,000,000
Long-term debt, face amount	175,000,000.0
Stated interest rate	3.89%
$125 million private placement notes 2.68%, due in 2019
Debt Instrument [Line Items]
Total debt	125,000,000	125,000,000
Long-term debt, face amount	125,000,000.0
Stated interest rate	2.68%
$225 million private placement notes 4.47%, due in 2020
Debt Instrument [Line Items]
Total debt	225,000,000	225,000,000
Long-term debt, face amount	225,000,000.0
Stated interest rate	4.47%
$125 million private placement notes 3.26%, due in 2022
Debt Instrument [Line Items]
Total debt	125,000,000	125,000,000
Long-term debt, face amount	125,000,000.0
Stated interest rate	3.26%
Promissory notes and deferred consideration weighted average rate of 3.92% and weighted average maturity of 3.3 years
Debt Instrument [Line Items]
Total debt	274,804,000	279,590,000
Long-term Debt, Weighted Average Interest Rate	3.92%
Long Term Debt Maturity	3 years 3 months 18 days
Foreign bank debt weighted average rate 8.98% and weighted average maturity of 1.8 years
Debt Instrument [Line Items]
Total debt	$ 117,594,000	$ 160,465,000
Long-term Debt, Weighted Average Interest Rate	8.98%
Long Term Debt Maturity	1 year 9 months 18 days

Long Term Debt, Maturity

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- Definition

Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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- Definition

Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 6

-Section H

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Amount of long-term debt and capital leases due within one year or the normal operating cycle, if longer.

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- Definition

Weighted average interest rate of long-term debt outstanding.

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