SIGNIFICANT ACCOUNTING POLICIES (Tables)

6 Months Ended

Jun. 30, 2013

Schedule of impact of error on the Statements of Income and Comprehensive Income

	Six Months Ended June 30, 2012
(in thousands, except per share amounts)	As Previously Reported		As Revised
Material costs	$	136,998	$	139,597
Personnel costs	$	167,054	$	164,588
Other operating expenses	$	93,389	$	91,475
Income from operations	$	55,682	$	57,462
Income before taxes	$	40,221	$	42,001
Provision for income taxes	$	15,280	$	15,980
Net income	$	24,941	$	26,021
Basic earnings per share	$	0.73	$	0.76
Diluted earnings per share	$	0.72	$	0.75

- Definition

Tabular disclosure of prior period adjustments to previously issued financial statements including (1) the effect of the correction on each financial statement line item and any per-share amounts affected for each prior period presented (2) the cumulative effect of the change on retained earnings or other appropriate components of equity or net assets in the statement of financial position, as of the beginning of the earliest period presented, and (3) the effect of the prior period adjustments (both gross and net of applicable income tax) on the net income of each prior period presented in the entity's annual report for the year in which the adjustments are made.

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