Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

v3.8.0.1
Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended
Jan. 01, 2018
Dec. 21, 2017
Dec. 31, 2017
Dec. 31, 2016
Sep. 30, 2017
Subsequent Event [Line Items]          
Income tax expense (benefit)     $ (25,227) $ 2,489  
Blended rate (as a percent)     24.50%    
Federal statutory rate (as a percent)   35.00%      
Provisional tax benefit change in tax rate     $ 24,553    
Tax benefit change in deferred tax assets     38,010    
Tax expense repatriation of foreign earnings     13,457    
Unrecognized tax benefits     7,994   $ 7,968
Unrecognized tax benefits that would impact effective tax rate     3,699    
Total penalties and interest accrued     $ 1,786   $ 1,779
Subsequent Event          
Subsequent Event [Line Items]          
Federal statutory rate (as a percent) 21.00%