Summary of Significant Accounting Policies - Narrative (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2018 USD ($)	Dec. 31, 2019 USD ($) Brand	Dec. 31, 2018 USD ($)		Dec. 31, 2017 USD ($)	Jan. 01, 2019 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Assets held for sale		$ 0	$ 8,472
Period of credit terms		30 days
Advertising expense		$ 19,300	41,600		$ 39,100
Prepaid advertising expenses		100	0		500
Research and development expense		3,500	4,400		3,500
Operating lease right of use assets		275,596	0
Total lease obligations		289,774
Prepaid Expenses and Other Current Assets
Summary Of Significant Accounting Policies [Line Items]
Assets held for sale		$ 0	8,500
Minimum
Summary Of Significant Accounting Policies [Line Items]
Number of local and regional brands and private labels (more than) | Brand		50
Accounting Standards Update 2016-02
Summary Of Significant Accounting Policies [Line Items]
Operating lease right of use assets						$ 358,000
Total lease obligations						$ 358,000
Difference between Revenue Guidance in Effect before and after Topic 606 | Accounting Standards Update 2014-09
Summary Of Significant Accounting Policies [Line Items]
Cost of goods and services sold		$ 380,300	(515,200)		(606,900)
Shipping and Handling
Summary Of Significant Accounting Policies [Line Items]
Cost of goods and services sold		$ 1,200,000	1,200,000		$ 1,200,000
Retained Earnings (Accumulated Deficit)
Summary Of Significant Accounting Policies [Line Items]
Reclassification of stranded tax effects related to the Tax Act	$ 16,800		$ 16,847	[1]

[1] Refer to Note 1 - Recently Adopted Accounting Pronouncements within our Notes to Consolidated Financial Statements for additional details on the adoption of ASU No. 2018-02 during the first quarter of 2018.