General (Tables)

6 Months Ended

Jun. 30, 2018

Accounting Policies [Abstract]

Schedule of Pro-Forma and Restrospective Effects on Consolidated Statement of Operations

The pro forma effect of the change in classification of sales of excess raw materials on our unaudited Condensed Consolidated Statements of Operations was as follows (in thousands):

	Three Months Ended June 30, 2017						Six Months Ended June 30, 2017
	As Previously Reported		Pro Forma Results Assuming Retrospective Adoption of ASU 2014-09		Increase (Decrease) to Previously Reported Amounts		As Previously Reported		Pro Forma Results Assuming Retrospective Adoption of ASU 2014-09		Increase (Decrease) to Previously Reported Amounts
Net sales	$	1,926,722	$	2,063,926	$	137,204	$	3,922,408	$	4,230,615	$	308,207
Cost of sales	1,459,342		1,596,546		137,204		2,992,903		3,301,110		308,207
Gross profit	467,380		467,380		—		929,505		929,505		—

The effect of the retrospective presentation change related to the net periodic cost for pension and postretirement benefits on our unaudited Condensed Consolidated Statements of Operations was as follows (in thousands):

	Three Months Ended June 30, 2017								Six Months Ended June 30, 2017
	As Previously Reported			Adjustment for Adoption of ASU 2017-07			As Revised		As Previously Reported			Adjustment for Adoption of ASU 2017-07			As Revised
Cost of sales	$	1,459,342		$	(100	)	$	1,459,242	$	2,992,903		$	(194	)	$	2,992,709
Gross profit	467,380			100			467,480		929,505			194			929,699
Selling and distribution	338,144			(134		)	338,010		683,340			(267		)	683,073
General and administrative	73,100			(819		)	72,281		172,636			(1,691		)	170,945
Total operating costs and expenses	422,216			(953		)	421,263		881,389			(1,958		)	879,431
Operating income	45,164			1,053			46,217		48,116			2,152			50,268
Other (income) expense, net	(805		)	1,053			248		(1,761		)	2,152			391