Annual report pursuant to Section 13 and 15(d)

Retirement Plans and Related Post Retirement Benefits - Details of Multi Employer Plans (Parenthetical) (Detail)

v2.4.0.8
Retirement Plans and Related Post Retirement Benefits - Details of Multi Employer Plans (Parenthetical) (Detail) (Post Acquisition [Member], USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Post Acquisition [Member]
 
Multiemployer Plans [Line Items]  
Post acquisition contribution $ 300