Stockholders' Equity and Noncontrolling Interests - Additional Information (Detail) - November 2016 - shares	Sep. 27, 2019	Nov. 30, 2016
Shareholders Equity [Line Items]
Number of shares authorized to be repurchased by VMS Board of Directors (in shares)		8,000,000.0
Number of shares remain available for repurchase (in shares)	2,200,000

The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

No definition available.

Name:	us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant