Debt and Financing Arrangements (Long term Debt) (Details) - USD ($)	Sep. 30, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Other	$ 31,319,000	$ 37,195,000
Debt issuance costs	(7,286,000)	0
Total	321,170,000	362,879,000
Less: current maturities of debt	8,566,000	11,038,000
Long-term debt	312,604,000	351,841,000
Term loan \| Term loan due 2024 ($298.5 million face value)
Debt Instrument [Line Items]
Term loan	297,137,000	0
Debt instrument, face amount	298,500,000.0
Term loan \| Term loan due 2021 ($325.7 million face value)
Debt Instrument [Line Items]
Term loan	$ 0	325,684,000
Debt instrument, face amount		$ 325,700,000.0

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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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of loans from a bank with maturities initially due after one year or beyond the normal operating cycle if longer.

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Amount of long-term debt classified as other.

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