Long-Term Debt (Detail) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Debt Instrument [Line Items]
Long-term debt	$ 1,233,274	$ 1,103,121
Less: current portion	67,879	88,899
Total	1,165,395	1,014,222
Senior Credit Facility Due August 2012
Debt Instrument [Line Items]
Long-term debt	387,169	175,407
Term Loan
Debt Instrument [Line Items]
Long-term debt	0	80,969
Private Placement Notes 5.64 Percent, Due In 2015
Debt Instrument [Line Items]
Long-term debt	100,000	100,000
Private Placement Notes 3.89 Percent, due in 2017
Debt Instrument [Line Items]
Long-term debt	175,000	175,000
Private Placement Notes 4.47 Percent, due in 2020
Debt Instrument [Line Items]
Long-term debt	225,000	225,000
Acquisition Notes Weighted Average Rate of 3.2 Percent And Weighted Average Maturity Of 5.6 years
Debt Instrument [Line Items]
Long-term debt	223,985	248,982
Foreign Bank Debt Weighted Average Rate 6.9 Percent and Weighted Average Maturity of 2.5 Years
Debt Instrument [Line Items]
Long-term debt	115,820	91,433
Obligations under capital leases
Debt Instrument [Line Items]
Long-term debt	$ 6,300	$ 6,330

Long Term Debt and Capital Lease Obligations, Current And Noncurrent

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Sum of the carrying values as of the balance sheet date of all long-term debt, which is debt initially having maturities due after one year from the balance sheet date or beyond the operating cycle, if longer, but excluding the portions thereof scheduled to be repaid within one year or the normal operating cycle, if longer plus capital lease obligations due to be paid more than one year after the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 6
-Section H

Reference 3: 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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Obligation related to long-term debt (excluding convertible debt) and capital leases, the portion which is due in one year or less in the future.

+ 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 210.5-02.20)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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