Related Party Disclosures - Summary of Transactions Between Related Parties Amount (Details) - Other related parties - EUR (€) € in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disclosure of transactions between related parties [line items]
Purchases of various goods and services from entities controlled by ATHOS KG	€ 0.9	€ 2.3	€ 2.1
Purchases of property and other assets from entities controlled by ATHOS KG	0.0	2.3	0.0
Total	€ 0.9	€ 4.6	€ 2.1

The amount of property and other assets purchased by the entity in related party transactions. [Refer: Related parties [member]]

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 24
-IssueDate 2021-01-01
-Paragraph 21
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_21_b&doctype=Standard
-URIDate 2021-03-24

Name:	ifrs-full_PurchasesOfPropertyAndOtherAssetsRelatedPartyTransactions
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration