Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

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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 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

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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.

+ References

No definition available.

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Fair value of financial and nonfinancial obligations.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) $ in Thousands, € in Millions	Sep. 30, 2017 USD ($)	Dec. 31, 2016 USD ($)	Apr. 14, 2016 EUR (€)
Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value assets measured on recurring basis	$ 61,372	$ 54,038
Fair value liabilities measured on recurring basis	103,978	43,155
Fair Value, Measurements, Recurring \| Cash surrender value of life insurance
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value assets measured on recurring basis	44,134	36,131
Fair Value, Measurements, Recurring \| Contingent consideration liabilities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value liabilities measured on recurring basis	6,903	3,162
Fair Value, Measurements, Recurring \| Deferred compensation liabilities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value liabilities measured on recurring basis	45,007	36,865
Fair Value, Measurements, Recurring \| Interest Rate Swap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value assets measured on recurring basis	17,238	17,907
Fair Value, Measurements, Recurring \| Foreign currency forward contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value liabilities measured on recurring basis	52,068	3,128
Fair Value, Inputs, Level 2 \| Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value assets measured on recurring basis	61,372	54,038
Fair value liabilities measured on recurring basis	97,075	39,993
Fair Value, Inputs, Level 2 \| Fair Value, Measurements, Recurring \| Cash surrender value of life insurance
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value assets measured on recurring basis	44,134	36,131
Fair Value, Inputs, Level 2 \| Fair Value, Measurements, Recurring \| Deferred compensation liabilities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value liabilities measured on recurring basis	45,007	36,865
Fair Value, Inputs, Level 2 \| Fair Value, Measurements, Recurring \| Interest Rate Swap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value assets measured on recurring basis	17,238	17,907
Fair Value, Inputs, Level 2 \| Fair Value, Measurements, Recurring \| Foreign currency forward contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value liabilities measured on recurring basis	52,068	3,128
Fair Value, Inputs, Level 3 \| Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value liabilities measured on recurring basis	6,903	3,162
Fair Value, Inputs, Level 3 \| Fair Value, Measurements, Recurring \| Contingent consideration liabilities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value liabilities measured on recurring basis	6,903	3,162
Euro Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt Instrument, Face Amount	590,700	525,850	€ 500
Long-term Debt, Fair Value	$ 650,000	$ 561,000