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Property and Equipment - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||
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Sep. 30, 2013
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Sep. 30, 2012
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Sep. 30, 2013
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Sep. 30, 2012
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| Property, Plant and Equipment [Line Items] | ||||
| Capital expenditure, additions, during the period | $ 38.4 | $ 20.7 | $ 127.5 | $ 55.2 |
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Real Estate [Member]
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| Property, Plant and Equipment [Line Items] | ||||
| Capital expenditure, additions, during the period | $ 18.8 | |||
| X | ||||||||||
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- Definition
Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. No definition available.
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| X | ||||||||||
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- Details
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