Senior Long-Term Debt	6 Months Ended
Jun. 30, 2017
Debt Disclosure [Abstract]
Senior Long-Term Debt	Senior Long-Term Debt On April 12, 2017 the Company repaid its 7.20% unsecured senior notes due April 14, 2017 ($90.6 million principal outstanding at December 31, 2016).

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-URI http://asc.fasb.org/topic&trid=2208564

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