Summary of Significant Accounting Policies (Details) - Estimated useful lives	12 Months Ended
	Dec. 31, 2014
Indoor Rental Equipment [Member] | Minimum [Member]
Summary of Significant Accounting Policies (Details) - Estimated useful lives [Line Items]
Estimated Useful Lives	5 years
Indoor Rental Equipment [Member] | Maximum [Member]
Summary of Significant Accounting Policies (Details) - Estimated useful lives [Line Items]
Estimated Useful Lives	10 years
Outdoor Rental Equipment [Member]
Summary of Significant Accounting Policies (Details) - Estimated useful lives [Line Items]
Estimated Useful Lives	15 years
Building and Building Improvements [Member] | Minimum [Member]
Summary of Significant Accounting Policies (Details) - Estimated useful lives [Line Items]
Estimated Useful Lives	10 years
Building and Building Improvements [Member] | Maximum [Member]
Summary of Significant Accounting Policies (Details) - Estimated useful lives [Line Items]
Estimated Useful Lives	40 years
Machinery, Fixture and Equipment [Member] | Minimum [Member]
Summary of Significant Accounting Policies (Details) - Estimated useful lives [Line Items]
Estimated Useful Lives	3 years
Machinery, Fixture and Equipment [Member] | Maximum [Member]
Summary of Significant Accounting Policies (Details) - Estimated useful lives [Line Items]
Estimated Useful Lives	15 years
Leaseholds and Leasehold Improvements [Member] | Minimum [Member]
Summary of Significant Accounting Policies (Details) - Estimated useful lives [Line Items]
Estimated Useful Lives	4 years
Leaseholds and Leasehold Improvements [Member] | Maximum [Member]
Summary of Significant Accounting Policies (Details) - Estimated useful lives [Line Items]
Estimated Useful Lives	5 years