Contingencies	6 Months Ended
Jun. 30, 2012
Commitments and Contingencies Disclosure [Abstract]
Contingencies	Contingencies Litigation The Company is a plaintiff in a lawsuit 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. Sonitrol appealed the judgment to the Colorado Appellate Court and on July 19, 2012, the Appellate Court upheld the trial court's ruling on two of the three issues being appealed but set aside the judgment and remanded the case back to the District Court for trial on the sole issue of damages. The Appellate Court's ruling is subject to further appeal to the Colorado Supreme Court by the Company and Sonitrol. 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 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 June 30, 2012, we were not involved in any other material litigation.

Contingencies

Litigation

The Company is a plaintiff in a lawsuit 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. Sonitrol appealed the judgment to the Colorado Appellate Court and on July 19, 2012, the Appellate Court upheld the trial court's ruling on two of the three issues being appealed but set aside the judgment and remanded the case back to the District Court for trial on the sole issue of damages. The Appellate Court's ruling is subject to further appeal to the Colorado Supreme Court by the Company and Sonitrol. 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 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 June 30, 2012, we were not involved in any other material litigation.