Nature of Operations and Summary of Significant Accounting Policies Nature of Operations and Summary of Significant Accounting Policies - Effect of Adoption of Accounting Pronouncement (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Mar. 31, 2017
New Accounting Pronouncement, Early Adoption [Line Items]
Net cash used in financing activities	$ (19,694,000)	$ (131,296,000)	$ (202,330,000)
Net cash provided by operating activities	535,406,000	433,578,000	$ 518,390,000
Inventory	592,017,000	572,047,000
Accounts payable	274,815,000	285,501,000
Forecast [Member] | Retained Earnings [Member] | New Accounting Pronouncement, Early Adoption, Effect [Member]
New Accounting Pronouncement, Early Adoption [Line Items]
Cumulative effect adjustment				$ 47,000,000
Restatement Adjustment [Member] | In-Bound Goods In Transit [Member]
New Accounting Pronouncement, Early Adoption [Line Items]
Inventory		(17,000,000)
Accounts payable		$ (17,000,000)
Employee Taxes Paid [Member] | Plan [Member] | Adjustments for New Accounting Pronouncement [Member] | Minimum [Member]
New Accounting Pronouncement, Early Adoption [Line Items]
Net cash used in financing activities	13
Net cash provided by operating activities	(13,000,000)
Employee Taxes Paid [Member] | Plan [Member] | Adjustments for New Accounting Pronouncement [Member] | Maximum [Member]
New Accounting Pronouncement, Early Adoption [Line Items]
Net cash used in financing activities	25,000,000
Net cash provided by operating activities	(25,000,000)
Excess Tax Benefits [Member] | Plan [Member] | Adjustments for New Accounting Pronouncement [Member] | Minimum [Member]
New Accounting Pronouncement, Early Adoption [Line Items]
Net cash used in financing activities	(5,000,000)
Net cash provided by operating activities	5
Excess Tax Benefits [Member] | Plan [Member] | Adjustments for New Accounting Pronouncement [Member] | Maximum [Member]
New Accounting Pronouncement, Early Adoption [Line Items]
Net cash used in financing activities	(12,000,000)
Net cash provided by operating activities	$ 12,000,000