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CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Parenthetical) - USD ($) $ in Thousands | 6 Months Ended
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Jun. 30, 2015
Statement of Stockholders' Equity [Abstract] |
Pension and other postretirement adjustments, tax | $ 790
Amortization of forward starting swaps, tax | $ 1,283
Issuance of common stock from issuance of unvested shares, exercise of stock options and deferred compensation plans (in shares) | 493,943
Repurchase of common stock (in shares) | 1,490,582
Cash dividends declared, per common share outstanding | $ 0.32

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