Stock-Based Compensation, Stock Option Valuation Assumptions (Details) - Stock Options [Member] - $ / shares		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Fair Value Assumptions [Abstract]
Weighted average grant date fair value of grants (in dollars per share)		$ 12.59	$ 16.26	$ 23.01
Risk-free interest rate	[1]	1.40%	1.70%	1.70%
Dividend yield	[2]	2.30%	2.10%	1.90%
Expected volatility	[3]	47.90%	46.80%	45.40%
Expected life in months	[4]	68 months	65 months	62 months

[1] The risk-free interest rate is based upon the rate on a zero coupon U.S. Treasury bill, for periods within the contractual life of the option, in effect at the time of the grant.

[2] The dividend yield is based on the average of historical stock prices and actual dividends paid.

[3] Expected volatility is based on the historical volatility of the Company's stock price, over a period similar to the expected life of the option.

[4] The expected term of the option is based on the historical employee exercise behavior, the vesting terms of the respective option, and a contractual life of either seven or ten years.