Pension, Profit Sharing, and Other Employee Benefit Plans (Weighted Average Assumptions Used to Determine Benefit Obligations) (Detail)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Pension Profit Sharing and Other Employee Benefit Plans [Abstract]
Discount rate	3.91%	4.77%	4.00%

The interest rate used to adjust for the time value of money for the plan.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (k)(1)

-URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920

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