CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	9 Months Ended
	Sep. 30, 2014
Statement of Stockholders' Equity [Abstract]
Pension and other postretirement adjustments, tax	$ 834
Amortization of forward starting swaps, tax	$ 1,979
Issuance of common stock from issuance of unvested shares, exercise of stock options and deferred compensation plans (in shares)	503,046
Repurchase of common stock (in shares)	1,984,337
Cash dividend declared, per common share outstanding	$ 0.56