Annual report pursuant to Section 13 and 15(d)

Geographical Data for Operations (Parenthetical) (Detail)

v2.4.1.9
Geographical Data for Operations (Parenthetical) (Detail) (Discontinued Operations, USD $)
In Millions, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Discontinued Operations
     
Revenues from External Customers and Long-Lived Assets [Line Items]      
Other non-current assets $ 25.5us-gaap_OtherAssetsMiscellaneousNoncurrent
/ us-gaap_StatementOperatingActivitiesSegmentAxis
= us-gaap_SegmentDiscontinuedOperationsMember
$ 22.3us-gaap_OtherAssetsMiscellaneousNoncurrent
/ us-gaap_StatementOperatingActivitiesSegmentAxis
= us-gaap_SegmentDiscontinuedOperationsMember
$ 33.0us-gaap_OtherAssetsMiscellaneousNoncurrent
/ us-gaap_StatementOperatingActivitiesSegmentAxis
= us-gaap_SegmentDiscontinuedOperationsMember