Amount of other expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses associated with a discontinued operation or an asset retirement obligation.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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- Definition

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

+ References+ Details

North American Site Consolidation Plan - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended		3 Months Ended	9 Months Ended		9 Months Ended	3 Months Ended	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 North American Site Consolidation Plan [Member]	Sep. 30, 2013 North American Site Consolidation Plan [Member]	Feb. 18, 2013 North American Site Consolidation Plan [Member] Office Warehouse	Sep. 30, 2013 North American Site Consolidation Plan [Member] Scenario, Forecast [Member]	Sep. 30, 2013 North American Site Consolidation Plan [Member] Selling, General and Administrative Expenses [Member]	Sep. 30, 2013 North American Site Consolidation Plan [Member] Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Number of offices closed under the Site Consolidation Plan							12
Number of Warehouse closed under the Site Consolidation Plan							1
Severance costs incurred					$ 1,000,000	$ 13,400,000
Accrued severance and other costs					5,900,000	5,900,000
Relocation and other costs related to the plan									2,400,000	3,800,000
Research and development expenses	49,400,000	37,802,000	151,881,000	112,164,000					1,900,000	2,600,000
Lease exit costs						700,000
Future lease exit cost								$ 1,000,000