Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Income Statement [Abstract]
Revenue	$ 564,764	$ 607,533
Cost of sales, including warehousing, distribution and occupancy	361,673	400,659
Gross profit	203,091	206,874
Selling, general, and administrative	148,303	160,730
Loss on net asset exchange for the formation of the joint ventures	19,514	0
Other income, net	(208)	(245)
Operating income	35,482	46,389
Interest expense, net	32,956	21,773
Loss on debt refinancing	0	16,740
Loss on forward contracts for the issuance of convertible preferred stock	16,787	0
(Loss) income before income taxes	(14,261)	7,876
Income tax expense	1,956	1,686
(Loss) income before income from equity method investments	(16,217)	6,190
Income from equity method investments	955	0
Net (loss) income	$ (15,262)	$ 6,190
(Loss) earnings per share:
Basic (in dollars per share)	$ (0.23)	$ 0.07
Diluted (in dollars per share)	$ (0.23)	$ 0.07
Weighted average common shares outstanding:
Basic weighted-average shares (in shares)	83,510	83,232
Diluted weighted-average shares (in shares)	83,510	83,368