Redeemable Noncontrolling Interest (Details) (USD $)	9 Months Ended		3 Months Ended		3 Months Ended
	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2013 PIQ Acquisition [Member] New Zealand, Dollars	Sep. 01, 2013 PIQ Acquisition [Member] New Zealand, Dollars	Sep. 30, 2013 PIQ Acquisition [Member] United States of America, Dollars	Sep. 01, 2013 PIQ Acquisition [Member] United States of America, Dollars
Redeemable Noncontrolling Interest [Line Items]
Payments to Acquire Businesses, Gross			$ 3,300,000		$ 2,600,000
Stockholders' Equity Attributable to Noncontrolling Interest	0	1,645,000		13,200,000		10,200,000
Net Income (Loss) Attributable to Redeemable Noncontrolling Interest	$ 100,000