Long-Term Debt (Components Of Long-Term Debt) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Other debt at an average interest rate of 3.4%, due through 2022	$ 24,944	$ 20,156
Capitalized lease arrangements at an average interest rate of 5.4%, due through 2021	18,613	15,206
Long-term debt and capitalized lease arrangements	2,425,507	2,251,012
Less current portion	20,377	18,826
Long-term debt	$ 2,405,130	2,232,186
Other debt, average rate	3.40%
Capitalized lease arrangements, average rate	5.40%
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Long-term debt	$ 175,000	0
Term Loan [Member]
Debt Instrument [Line Items]
Long-term debt	856,950	865,650
Fixed Interest Rate [Member]
Debt Instrument [Line Items]
Long-term debt	1,400,000
5.625% Senior Unsecured Notes due 2020 [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Long-term debt	250,000	250,000
5.625% Senior Unsecured Notes due 2022 [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Long-term debt	1,100,000	$ 1,100,000
Variable Interest Rate [Member]
Debt Instrument [Line Items]
Long-term debt	$ 1,000,000

Capital Lease Obligations, Average Interest Rate

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- Definition

Other Borrowings, Average Interest Rate

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- Definition

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737

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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 16
-Article 7

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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.

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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-Section 03
-Paragraph 16
-Article 9

Reference 5: http://www.xbrl.org/2003/role/presentationRef
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Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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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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The carrying amount as of the balance sheet date for the aggregate of other miscellaneous borrowings owed by the reporting entity.

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