Long-Term Obligations - Narrative (Details)		3 Months Ended	9 Months Ended	12 Months Ended				21 Months Ended
	Jun. 29, 2016 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2020 USD ($)	Jun. 29, 2021 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2016 USD ($)	Aug. 31, 2014 USD ($)	Aug. 27, 2014 USD ($)	Apr. 30, 2013 USD ($)
Debt Instrument [Line Items]
Maximum borrowing capacity under credit agreement					$ 800,000,000
Long-term debt					1,264,333,000	$ 811,097,000
Financing costs incurred					3,817,000	0	$ 7,987,000
Authorized share repurchase amount					$ 400,000,000					$ 400,000,000.0		$ 125,000,000.0
Voting equity guarantee on indebtedness, percentage					65.00%
Non-voting guarantee on indebtedness, percentage					100.00%
Covenant compliance, interest coverage ratio					16.06
Covenant terms, minimum interest coverage ratio					3
Covenant compliance, leverage ratio					2.65
Covenant terms, maximum leverage ratio					4.0
Credit Agreement
Debt Instrument [Line Items]
Financing costs incurred	$ 3,800,000
Deferred financing costs capitalized	3,200,000
Debt related expense recognized as income from continuing operations	600,000
Credit Agreement | Tier Three
Debt Instrument [Line Items]
Applicable margin for borrowings					0.50%
Credit Agreement | Base rate | Tier Three
Debt Instrument [Line Items]
Applicable margin for borrowings					0.50%
Credit Agreement | Eurodollar | Tier Three
Debt Instrument [Line Items]
Applicable margin for borrowings					1.50%
Debt Obligations | Credit Agreement
Debt Instrument [Line Items]
Write-off of previously capitalized deferred financing costs	1,000,000
Debt Obligations | New Senior Credit Facility | Swing line
Debt Instrument [Line Items]
Maximum borrowing capacity under credit agreement	25,000,000
Revolving line of credit
Debt Instrument [Line Items]
Long-term debt					$ 395,907,000	228,275,000
Debt obligation					400,000,000	232,000,000
Line of credit | Debt Obligations | Credit Agreement
Debt Instrument [Line Items]
Maximum borrowing capacity under credit agreement											$ 1,400,000,000.0
Line of credit | Debt Obligations | New Senior Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity under credit agreement	1,700,000,000
Line of credit | Revolving line of credit | Credit Agreement
Debt Instrument [Line Items]
Maximum borrowing capacity under credit agreement											800,000,000
Line of credit | Revolving line of credit | Senior Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity under credit agreement											125,000,000
Line of credit | Swing line | Credit Agreement
Debt Instrument [Line Items]
Maximum borrowing capacity under credit agreement											25,000,000
Senior term notes
Debt Instrument [Line Items]
Long-term debt					866,395,000	582,592,000
Debt obligation					$ 869,000,000	$ 585,000,000
Senior term notes | Forecast
Debt Instrument [Line Items]
Principal payment (quarterly)		$ 5,500,000	$ 16,500,000	$ 22,000,000				$ 11,000,000
Senior term notes | Eurodollar
Debt Instrument [Line Items]
Basis spread on variable rate					1.00%
Senior term notes | Federal funds rate
Debt Instrument [Line Items]
Basis spread on variable rate					0.50%
Senior term notes | Credit Agreement
Debt Instrument [Line Items]
Maximum borrowing capacity under credit agreement											600,000,000
Senior term notes | Senior Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity under credit agreement											$ 534,000,000
Senior term notes | Debt Obligations | Credit Agreement
Debt Instrument [Line Items]
Maximum borrowing capacity under credit agreement	600,000,000
Senior term notes | Debt Obligations | New Senior Credit Facility
Debt Instrument [Line Items]
Face amount of debt instrument	880,000,000
Revolving line of credit | New Senior Credit Facility
Debt Instrument [Line Items]
Long-term debt									$ 375,000,000
Revolving line of credit | Debt Obligations | Credit Agreement
Debt Instrument [Line Items]
Maximum borrowing capacity under credit agreement	800,000,000
Revolving line of credit | Debt Obligations | New Senior Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity under credit agreement	$ 800,000,000