Related Party Transactions - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Related Party Transaction [Line Items]
Percentage of total purchases from Carrier and its affiliates	60.00%	48.00%	57.00%	45.00%
Amount payable to Carrier Corporation and its affiliates, net of receivables	$ 96,000		$ 96,000		$ 41,000
Revenues from sales to Carrier Corporation and its affiliates	10,064	7,693	16,848	11,797
Carrier Enterprise II
Related Party Transaction [Line Items]
Transaction Service Agreements, termination date	2012-04-30
Fees related to Transactional Services Agreements with Carrier Corporation	223	148	807	148
Amount payable to Carrier related to TSA	$ 89		$ 89		$ 941

Receivables to be collected from (obligations owed to) related parties, net as of the balance sheet date where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth.

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Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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