Nature of Business and Significant Accounting Policies (Details 5)	12 Months Ended
	Dec. 31, 2012 Years	Dec. 31, 2011 Years	Dec. 31, 2010 Years
Stock Option Awards
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Method Used [Line Items]
Risk-free interest rate	0.40%	1.00%	1.60%
Expected dividend yield	1.30%	0.70%	0.00%
Expected term	4.2	4.3	4.3
Expected volatility	39.70%	42.30%	45.10%
Market-based Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Method Used [Line Items]
Risk-free interest rate	0.40%
Expected dividend yield	0.00%
Expected term	3.0
Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Method Used [Line Items]
Risk-free interest rate	0.20%	0.10%	0.20%
Expected dividend yield	1.30%	0.80%	0.00%
Expected term	6	6	6
Expected volatility	25.20%	33.10%	27.10%
FLIR [Member] | Market-based Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Method Used [Line Items]
Expected volatility	30.70%
S&P 500 [Member] | Market-based Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Method Used [Line Items]
Expected volatility	19.60%