Subsequent Event (Details) CAD in Millions, $ in Millions					1 Months Ended	12 Months Ended
	Feb. 24, 2016 USD ($)	Jan. 04, 2016 USD ($) Boat	Jan. 04, 2016 CAD Boat	Dec. 22, 2014	Dec. 31, 2015 USD ($)	Dec. 31, 2015
Subsequent Event [Line Items]
Leverage ratio						167.00%
Fixed charge coverage ratio						218.00%
Amended and Restated Credit Agreement
Subsequent Event [Line Items]
Annual share repurchase limit					$ 20.0
Amended and Restated Credit Agreement | Maximum
Subsequent Event [Line Items]
Leverage ratio				300.00%
Amended and Restated Credit Agreement | Minimum
Subsequent Event [Line Items]
Fixed charge coverage ratio				175.00%
Credit Agreement Amendment
Subsequent Event [Line Items]
Leverage ratio						350.00%
Fixed charge coverage ratio						175.00%
Subsequent Event | Credit Agreement Amendment | Minimum
Subsequent Event [Line Items]
Fixed charge coverage ratio	175.00%
Subsequent Event | Credit Agreement Amendment | Acquisitions In Same Or Related Lines Of Business | Maximum
Subsequent Event [Line Items]
Leverage ratio	300.00%
Subsequent Event | Credit Agreement Amendment | Unlimited Stock Dividends Distributions And Repurchases | Maximum
Subsequent Event [Line Items]
Leverage ratio	250.00%
Subsequent Event | Credit Agreement Amendment | Limited Stock Dividends Distributions And Repurchases
Subsequent Event [Line Items]
Annual share repurchase limit	$ 20.0
Subsequent Event | Credit Agreement Amendment | Limited Stock Dividends Distributions And Repurchases | Minimum
Subsequent Event [Line Items]
Leverage ratio	250.00%
Subsequent Event | Credit Agreement Amendment | Maintain Leverage Ratio | Maximum
Subsequent Event [Line Items]
Leverage ratio	350.00%
Subsequent Event | Credit Agreement Amendment | Unlimited Unsecured Indebtedness | Maximum
Subsequent Event [Line Items]
Leverage ratio	300.00%
Subsequent Event | Maligne Tours Ltd
Subsequent Event [Line Items]
Business acquisition date		Jan. 04, 2016	Jan. 04, 2016
Number of boats | Boat		7	7
Cash		$ 15.0	CAD 20.9