Commitments and Contingencies - Asbestos Claimant and Settlement (Details) (Asbestos [Member], USD $)	12 Months Ended
	Dec. 31, 2013 claimants	Dec. 31, 2012 claimants	Dec. 31, 2011 claimants
Asbestos [Member]
Loss Contingencies [Line Items]
Number of pending claims at the beginning of period	7,880	8,048	8,200
Number of pending claims filed during period	360	367	476
Number of pending claims dismissed during period	226	519	607
Number of pending claims settled during period	39	16	21
Average settlement amount per claim during period	$ 8,294	$ 14,513	$ 14,300
Total defense costs during period	$ 2,620,000	$ 2,650,000	$ 2,510,000