Debt - Additional Information (Details) - USD ($)	1 Months Ended	9 Months Ended
	Aug. 31, 2017	Sep. 29, 2017	Jul. 28, 2017	Dec. 31, 2016	May 19, 2016
Second Amendment
Debt Instrument [Line Items]
Long-term debt including current maturities				$ 77,920,000
Second Amendment | Term Loans
Debt Instrument [Line Items]
Long-term debt including current maturities			$ 65,600,000
Current portion of long-term debt				$ 7,500,000
Second Amendment | Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity					$ 225,000,000
Third Amendment
Debt Instrument [Line Items]
Long-term debt including current maturities		$ 243,303,000
Debt instrument, frequency of periodic payment		quarterly
Quarterly installments payable on term loan	$ 2,300,000
Debt instrument, final installment amount	56,100,000
Revolving credit facility maturity year		2021-05
Debt financing costs	700,000
Third Amendment | Term Loans
Debt Instrument [Line Items]
Long-term debt including current maturities	90,600,000
Current portion of long-term debt		$ 9,200,000
Third Amendment | Revolving Credit Facility
Debt Instrument [Line Items]
Increases the revolving credit facility	100,000,000
Maximum borrowing capacity	325,000,000
Line of credit facility accordion feature	$ 125,000,000