Contingencies	3 Months Ended
Mar. 31, 2012
Commitments and Contingencies Disclosure [Abstract]
Contingencies	Contingencies Litigation The Company is a plaintiff in a successful lawsuit, currently on appeal, against Sonitrol Corporation. The case arose from the December 21, 2002 arson fire at the Denver warehouse in which Sonitrol failed to detect and respond to a four-hour burglary and subsequent arson. In 2010, a jury found in favor of the Company and our insurers. The Company's current share of the judgment, with daily accruing pre-judgment interest, is approximately $15.5 million, less outstanding attorneys' fees and costs. Sonitrol is appealing the decision through the Colorado appellate court. On May 4, 2012, the Colorado appellate court issued a notice scheduling oral arguments on the appeal for June 27, 2012. We are unable to predict when this litigation will be finally resolved and the ultimate outcome. Any monetary recovery from the lawsuit would be recognized in income only when and if it is finally paid to the Company. We are subject to certain legal proceedings, claims, investigations and administrative proceedings in the ordinary course of our business. We make a provision for a liability when it is both probable that the liability has been incurred and the amount of the liability can be reasonably estimated. These provisions, if any, are reviewed at least quarterly and adjusted to reflect the impacts of negotiations, settlements, rulings, advice of legal counsel and other information and events pertaining to a particular case. At March 31, 2012, we were not involved in any other material litigation.

Contingencies

3 Months Ended

Mar. 31, 2012

Commitments and Contingencies Disclosure [Abstract]

Litigation

The Company is a plaintiff in a successful lawsuit, currently on appeal, against Sonitrol Corporation. The case arose from the December 21, 2002 arson fire at the Denver warehouse in which Sonitrol failed to detect and respond to a four-hour burglary and subsequent arson. In 2010, a jury found in favor of the Company and our insurers. The Company's current share of the judgment, with daily accruing pre-judgment interest, is approximately $15.5 million, less outstanding attorneys' fees and costs. Sonitrol is appealing the decision through the Colorado appellate court. On May 4, 2012, the Colorado appellate court issued a notice scheduling oral arguments on the appeal for June 27, 2012. We are unable to predict when this litigation will be finally resolved and the ultimate outcome. Any monetary recovery from the lawsuit would be recognized in income only when and if it is finally paid to the Company.

We are subject to certain legal proceedings, claims, investigations and administrative proceedings in the ordinary course of our business. We make a provision for a liability when it is both probable that the liability has been incurred and the amount of the liability can be reasonably estimated. These provisions, if any, are reviewed at least quarterly and adjusted to reflect the impacts of negotiations, settlements, rulings, advice of legal counsel and other information and events pertaining to a particular case. At March 31, 2012, we were not involved in any other material litigation.