Related Party Transactions - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Related Party Transaction [Line Items]
Percentage of total purchases from Carrier and its affiliates	57.00%	51.00%	57.00%	47.00%
Amount payable to Carrier Corporation and its affiliates, net of receivables	$ 90,000		$ 90,000		$ 41,000
Revenues from sales to Carrier Corporation and its affiliates	10,466	5,685	27,314	17,482
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	0	148	807	296
Amount payable to Carrier related to TSA					$ 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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