Employer Sponsored Benefit Plan (Assumptions Used in Determining the Year-End Benefit Obligation and Annual Net Cost) (Detail) - Domestic Pension Plan	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Defined Benefit Plan Disclosure [Line Items]
Discount rate, Benefit Obligation	4.56%	4.16%
Expected return on plan assets, Benefit Obligation	7.00%	7.25%
Discount rate, Net Cost	4.16%	5.09%	4.16%
Expected return on plan assets, Net Cost	7.25%	7.25%	7.50%