Share-Based Compensation Plans - Schedule of Valuation Assumptions for Non-Qualified Stock Options (Details) - Non-qualified Stock Options	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free interest rate	1.61%	1.72%	0.76%
Dividend yield	0.12%	0.15%	0.22%
Volatility factor	26.80%	24.80%	31.69%
Expected term	5 years	5 years	5 years